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  Variation and Its Implication of Major and Trace Elements of EA01 from the Continental Shelf of the East China Sea

  Xiong, Y., 2006, In: Acta Sedimentologica Sinica. 24, 3, p. 356-364 9 p.

  Research output: Contribution to journal › Article

• Variation and outcomes associated with direct hospital admission among children with pneumonia in the United States

  Leyenaar, J. K., Shieh, M. S., Lagu, T., Pekow, P. S. & Lindenauer, P. K., Sep 1 2014, In: JAMA Pediatrics. 168, 9, p. 829-836 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  18 Scopus citations

• Variation exists in rates of admission to intensive care units for heart failure patients across hospitals in the United States

  Safavi, K. C., Dharmarajan, K., Kim, N., Strait, K. M., Li, S. X., Chen, S. I., Lagu, T. & Krumholz, H. M., 2013, In: Circulation. 127, 8, p. 923-929 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  57 Scopus citations

• Variation in Advanced Diagnostic Imaging Practice Patterns and Associated Risks Prior to Superior Cavopulmonary Connection: A Multicenter Analysis

  Gartenberg, A. J., Glatz, A. C., Nunes, M., Griffin, L., Rigsby, C. K., Armstrong, A. K., Casey, S. A., Witt, D. R., Schmidt, C. W., Lesser, J. & Han, B. K., Mar 2022, In: Pediatric cardiology. 43, 3, p. 497-507 11 p.

  Research output: Contribution to journal › Article › peer-review

• Variation in Ancillary Testing among Pediatric Asthma Patients Seen in Emergency Departments

  Stanley, R. M., Teach, S. J., Mann, N. C., Alpern, E. R., Gerardi, M. J., Mahajan, P. V. & Chamberlain, J. M., Jun 2007, In: Academic Emergency Medicine. 14, 6, p. 532-538 7 p.

  Research output: Contribution to journal › Article › peer-review
  15 Scopus citations

• Variation in anticonvulsant selection and electroencephalographic monitoring following severe traumatic brain injury in children - Understanding resource availability in sites participating in a comparative effectiveness study

  Kurz, J. E., Poloyac, S. M., Abend, N. S., Fabio, A., Bell, M. J. & Wainwright, M. S., Jul 1 2016, In: Pediatric Critical Care Medicine. 17, 7, p. 649-657 9 p.

  Research output: Contribution to journal › Article › peer-review
  19 Scopus citations

• Variation in aptitude of trainees in endoscopic ultrasonography, based on cumulative sum analysis

  Wani, S., Hall, M., Keswani, R. N., Aslanian, H. R., Casey, B., Burbridge, R., Chak, A., Chen, A. M., Cote, G., Edmundowicz, S. A., Faulx, A. L., Hollander, T. G., Lee, L. S., Mullady, D., Murad, F., Muthusamy, V. R., Pfau, P. R., Scheiman, J. M., Tokar, J., Wagh, M. S. & 2 others, Watson, R. & Early, D., Jul 1 2015, In: Clinical Gastroenterology and Hepatology. 13, 7, p. 1318-1325.e2

  Research output: Contribution to journal › Article › peer-review
  45 Scopus citations

• Variation in a range of mTOR-related genes associates with intracranial volume and intellectual disability

  Reijnders, M. R. F., Kousi, M., Van Woerden, G. M., Klein, M., Bralten, J., Mancini, G. M. S., Van Essen, T., Proietti-Onori, M., Smeets, E. E. J., Van Gastel, M., Stegmann, A. P. A., Stevens, S. J. C., Lelieveld, S. H., Gilissen, C., Pfundt, R., Tan, P. L., Kleefstra, T., Franke, B., Elgersma, Y., Katsanis, E. N. & 1 others, Brunner, H. G., Dec 1 2017, In: Nature communications. 8, 1, 1052.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  34 Scopus citations

• Variation in bowel preparation among pediatric surgeons for elective colorectal surgery: A problem of equipoise or a knowledge gap of the available clinical evidence?

  Feng, C., Sidhwa, F., Anandalwar, S., Pennington, E. C., Ziniel, S., Islam, S., St. Peter, S. D., Abdullah, F., Goldin, A. B. & Rangel, S. J., Jun 1 2015, In: Journal of pediatric surgery. 50, 6, p. 967-971 5 p.

  Research output: Contribution to journal › Article › peer-review
  9 Scopus citations

• Variation in care of the febrile young infant,90 days in us pediatric emergency departments

  Aronson, P. L., Thurm, C., Alpern, E. R., Alessandrini, E. A., Williams, D. J., Shah, S. S., Nigrovic, L. E., Mcculloh, R. J., Schondelmeyer, A., Tieder, J. S. & Neuman, M. I., 2014, In: Pediatrics. 134, 4, p. 667-677 11 p.

  Research output: Contribution to journal › Article › peer-review
  100 Scopus citations

• Variation in care of the febrile young infant <90 days in US pediatric emergency departments

  Aronson, P. L., Thurm, C., Alpern, E. R., Alessandrini, E. A., Williams, D. J., Shah, S. S., Nigrovic, L. E., Mcculloh, R. J., Schondelmeyer, A., Tieder, J. S. & Neuman, M. I., Oct 1 2014, In: Pediatrics. 134, 4, p. 667-677 11 p.

  Research output: Contribution to journal › Article › peer-review

• Variation in clinical and patient-reported outcomes among complex heart failure with preserved ejection fraction phenotypes

  Flint, K. M., Shah, S. J., Lewis, E. F. & Kao, D. P., Jun 1 2020, In: ESC Heart Failure. 7, 3, p. 811-824 14 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  6 Scopus citations

• Variation in COVID-19 Resource Allocation Protocols and Potential Implementation in the Chicago Metropolitan Area

  Gandhi, R., Piscitello, G. M., Parker, W. F. & Michelson, K., 2021, In: AJOB Empirical Bioethics. 12, 4, p. 266-275 10 p.

  Research output: Contribution to journal › Article › peer-review

• Variation in Dietary Salt Intake Induces Coordinated Dynamics of Monocyte Subsets and Monocyte-Platelet Aggregates in Humans: Implications in End Organ Inflammation

  Zhou, X., Zhang, L., Ji, W. J., Yuan, F., Guo, Z. Z., Pang, B., Luo, T., Liu, X., Zhang, W. C., Jiang, T. M., Zhang, Z. & Li, Y. M., Apr 4 2013, In: PloS one. 8, 4, e60332.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  57 Scopus citations

• Variation in dinucleotide (GT) repeat sequence in the first exon of the STAT6 gene is associated with atopic asthma and differentially regulates the promoter activity in vitro

  Gao, P. S., Heller, N. M., Walker, W., Chen, C. H., Moller, M., Plunkett, B., Roberts, M. H., Schleimer, R. P., Hopkin, J. M. & Huang, S. K., Jul 2004, In: Journal of medical genetics. 41, 7, p. 535-539 5 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  50 Scopus citations

• Variation in economic organization: A comparison of the pastoral yomut and the Basseri

  Irons, W., Dec 1 1972, In: Journal of Asian and African Studies. 7, 1-2, p. 88-104 17 p.

  Research output: Contribution to journal › Article › peer-review
  5 Scopus citations

• Variation in Economic Organization: A Comparison of the Pastoral Yomut and the Basseri

  Irons, W., Jan 1972, In: Journal of Asian and African Studies. 7, p. 88-104 17 p.

  Research output: Contribution to journal › Article › peer-review
  3 Scopus citations

• VARIATION IN ELECTRON PARAMAGNETIC RESONANCE SIGNALS OF PHOTOSYNTHETIC SYSTEMS WTTH THE REDOX LEVEL OF THEIR ENVIRONMENT

  Loach, P. A., Androes, G. M., Maksim, A. F. & Calvin, M., Jan 1 1963, In: Photochemistry and Photobiology. 2, 4, p. 443-454 12 p.

  Research output: Contribution to journal › Article › peer-review
  60 Scopus citations

• Variation in emergency department diagnostic testing and disposition outcomes in pneumonia

  Florin, T. A., French, B., Zorc, J. J., Alpern, E. R. & Shah, S. S., Aug 2013, In: Pediatrics. 132, 2, p. 237-244 8 p.

  Research output: Contribution to journal › Article › peer-review
  69 Scopus citations

• Variation in Endoscopic Activity Assessment and Endoscopy Score Validation in Adults With Eosinophilic Esophagitis

  International EEsAI Study Group, Jul 2019, In: Clinical Gastroenterology and Hepatology. 17, 8, p. 1477-1488.e10

  Research output: Contribution to journal › Article › peer-review

  Open Access
  10 Scopus citations

• Variation in estimated medicare prescription drug plan costs and affordability for beneficiaries living in different states

  Davis, M. M., Patel, M. S. & Halasyamani, L. K., Feb 2007, In: Journal of general internal medicine. 22, 2, p. 257-263 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  8 Scopus citations

• Variation in estradiol, estradiol precursors, and estrogen-related products in nipple aspirate fluid from normal premenopausal women

  Chatterton, R. T., Geiger, A. S., Khan, S. A., Helenowski, I. B., Jovanovic, B. D. & Gann, P. H., Jun 2004, In: Cancer Epidemiology Biomarkers and Prevention. 13, 6, p. 928-935 8 p.

  Research output: Contribution to journal › Article › peer-review
  44 Scopus citations

• Variation in extubation failure rates after neonatal congenital heart surgery across Pediatric Cardiac Critical Care Consortium hospitals

  Benneyworth, B. D., Mastropietro, C. W., Graham, E. M., Klugman, D., Costello, J. M., Zhang, W. & Gaies, M., Jun 2017, In: Journal of Thoracic and Cardiovascular Surgery. 153, 6, p. 1519-1526 8 p.

  Research output: Contribution to journal › Article › peer-review
  30 Scopus citations

• Variation in Generational Perceptions of Child Health and Well-being

  Freed, G. L., Davis, M. M., Singer, D. C., Gebremariam, A., Schultz, S. L., Matos-Moreno, A. & Wietecha, M., May 1 2018, In: Academic Pediatrics. 18, 4, p. 384-389 6 p.

  Research output: Contribution to journal › Article › peer-review
  5 Scopus citations

• Variation in genes controlling warfarin disposition and response in American Indian and Alaska Native people: CYP2C9, VKORC1, CYP4F2, CYP4F11, GGCX

  Fohner, A. E., Robinson, R., Yracheta, J., Dillard, D. A., Schilling, B., Khan, B., Hopkins, S., Boyer, B. B., Black, J., Wiener, H., Tiwari, H. K., Gordon, A., Nickerson, D., Tsai, J. M., Farin, F. M., Thornton, T. A., Rettie, A. E. & Thummel, K. E., Jun 19 2015, In: Pharmacogenetics and genomics. 25, 7, p. 343-353 11 p.

  Research output: Contribution to journal › Article › peer-review
  30 Scopus citations

• Variation in Guideline Concordant Active Surveillance Followup in Diverse Urology Practices

  Luckenbaugh, A. N., Auffenberg, G. B., Hawken, S. R., Dhir, A., Linsell, S., Kaul, S. & Miller, D. C., Mar 1 2017, In: Journal of Urology. 197, 3, p. 621-626 6 p.

  Research output: Contribution to journal › Article › peer-review
  36 Scopus citations

• Variation in hip fracture treatment: are black and white patients treated equally?

  Fanuele, J. C., Lurie, J. D., Zhou, W., Koval, K. J. & Weinstein, J. N., Jan 2009, In: American journal of orthopedics (Belle Mead, N.J.). 38, 1, p. E13-17

  Research output: Contribution to journal › Article › peer-review
  6 Scopus citations

• Variation in hospital costs and reimbursement for endovascular aneurysm repair: A Vascular Quality Initiative pilot project

  Lemmon, G. W., Neal, D., DeMartino, R. R., Schneider, J. R., Singh, T., Kraiss, L., Scali, S., Tassiopoulos, A., Hoel, A. & Cronenwett, J. L., Oct 2017, In: Journal of Vascular Surgery. 66, 4, p. 1073-1082 10 p.

  Research output: Contribution to journal › Article › peer-review
  15 Scopus citations

• Variation in Hospitalization Rates Following Emergency Department Visits in Children with Medical Complexity

  Coller, R. J., Rodean, J., Linares, D. E., Chung, P. J., Pulcini, C., Hall, M., Alpern, E. R., Mosquera, R., Casto, E. & Berry, J. G., Nov 2019, In: Journal of Pediatrics. 214, p. 113-120.e1

  Research output: Contribution to journal › Article › peer-review
  7 Scopus citations

• Variation in Hospital Utilization of Minimally Invasive Distal Pancreatectomy for Localized Pancreatic Neoplasms

  Ellis, R. J., Zhang, L. M., Ko, C. Y., Cohen, M. E., Bentrem, D. J., Bilimoria, K. Y., Yang, A. D., Talamonti, M. S. & Merkow, R. P., Dec 2020, In: Journal of Gastrointestinal Surgery. 24, 12, p. 2780-2788 9 p.

  Research output: Contribution to journal › Article › peer-review
  3 Scopus citations

• Variation in infliximab administration practices in the treatment of pediatric inflammatory bowel disease

  Adler, J., Sandberg, K. C., Shpeen, B. H., Eder, S. J., Dhanani, M., Clark, S. J. & Freed, G. L., Jul 2013, In: Journal of pediatric gastroenterology and nutrition. 57, 1, p. 35-38 4 p.

  Research output: Contribution to journal › Article › peer-review
  17 Scopus citations

• Variation in inpatient tonsillectomy costs within and between US hospitals attributable to postoperative complications

  Sun, G. H., Auger, K. A., Aliu, O., Patrick, S. W., Demonner, S. & Davis, M. M., Dec 1 2013, In: Medical care. 51, 12, p. 1048-1054 7 p.

  Research output: Contribution to journal › Article › peer-review
  25 Scopus citations

• Variation in intraoperative and postoperative red blood cell transfusion in pediatric surgery

  Stey, A., Vinocur, C. D., Moss, R. L., Hall, B. L., Cohen, M. E., Kraemer, K., Ko, C. Y. & Kenney, B. D., Mar 1 2016, In: Transfusion. 56, 3, p. 666-672 7 p.

  Research output: Contribution to journal › Article › peer-review
  16 Scopus citations

• Variation in labor induction over the days of the week

  Falciglia, G. H., Grobman, W. A. & Murthy, K., Jan 1 2015, In: American Journal of Perinatology. 32, 1, p. 107-112 6 p.

  Research output: Contribution to journal › Article › peer-review
  4 Scopus citations

• Variation in learning curves and competence for ERCP among advanced endoscopy trainees by using cumulative sum analysis

  Wani, S., Hall, M., Wang, A. Y., Dimaio, C. J., Muthusamy, V. R., Keswani, R. N., Brauer, B. C., Easler, J. J., Yen, R. D., El Hajj, I., Fukami, N., Ghassemi, K. F., Gonzalez, S., Hosford, L., Hollander, T. G., Wilson, R., Kushnir, V. M., Ahmad, J., Murad, F., Prabhu, A. & 8 others, Watson, R. R., Strand, D. S., Amateau, S. K., Attwell, A., Shah, R. J., Early, D., Edmundowicz, S. A. & Mullady, D., Apr 1 2016, In: Gastrointestinal endoscopy. 83, 4, p. 711-719.e11

  Research output: Contribution to journal › Article › peer-review
  43 Scopus citations

• Variation in levels of AMH among Maya and non-Maya women in Campeche, Mexico

  Kyweluk, M. A., Sievert, L. L., Huicochea-Gómez, L., Cahuich-Campos, D., McDade, T. & Brown, D. E., Oct 2018, In: American Journal of Physical Anthropology. 167, 2, p. 282-290 9 p.

  Research output: Contribution to journal › Article › peer-review
  2 Scopus citations

• Variation in Lipid-Lowering Therapy Use in Patients With Low-Density Lipoprotein Cholesterol ≥190 mg/dL: Insights From the National Cardiovascular Data Registry-Practice Innovation and Clinical Excellence Registry

  Virani, S. S., Kennedy, K. F., Akeroyd, J. M., Morris, P. B., Bittner, V. A., Masoudi, F. A., Stone, N. J., Petersen, L. A. & Ballantyne, C. M., May 1 2018, In: Circulation. Cardiovascular quality and outcomes. 11, 5, p. e004652

  Research output: Contribution to journal › Article › peer-review
  17 Scopus citations

• Variation in lumbar punctures for early onset neonatal sepsis: a nationally representative serial cross-sectional analysis, 2003-2009

  Patrick, S. W., Schumacher, R. E. & Davis, M. M., Aug 28 2012, In: BMC Pediatrics. 12, 134.

  Research output: Contribution to journal › Article › peer-review
  14 Scopus citations

• Variation in lymph node examination after esophagectomy for cancer in the United States

  Merkow, R. P., Bilimoria, K. Y., Chow, W. B., Merkow, J. S., Weyant, M. J., Ko, C. Y. & Bentrem, D. J., Jun 2012, In: Archives of Surgery. 147, 6, p. 505-511 7 p.

  Research output: Contribution to journal › Article › peer-review
  23 Scopus citations

• Variation in meiotic recombination frequencies among human males

  Sun, F., Trpkov, K., Rademaker, A., Ko, E. & Martin, R. H., Feb 2005, In: Human Genetics. 116, 3, p. 172-178 7 p.

  Research output: Contribution to journal › Article › peer-review
  59 Scopus citations

• Variation in MLH1 distribution in recombination maps for individual chromosomes from human males

  Sun, F., Oliver-Bonet, M., Liehr, T., Starke, H., Turek, P., Ko, E., Rademaker, A. & Martin, R. H., Aug 1 2006, In: Human molecular genetics. 15, 15, p. 2376-2391 16 p.

  Research output: Contribution to journal › Article › peer-review
  62 Scopus citations

• Variation in narrative identity is associated with trajectories of mental health over several years

  Adler, J. M., Turner, A. F., Brookshier, K. M., Monahan, C., Walder-Biesanz, I., Harmeling, L. H., Albaugh, M., McAdams, D. P. & Oltmanns, T. F., Mar 1 2015, In: Journal of personality and social psychology. 108, 3, p. 476-496 21 p.

  Research output: Contribution to journal › Article › peer-review
  73 Scopus citations

• Variation in neoadjuvant chemotherapy utilization for epithelial ovarian cancer at high volume hospitals in the United States and associated survival

  Barber, E. L., Dusetzina, S. B., Stitzenberg, K. B., Rossi, E. C., Gehrig, P. A., Boggess, J. F. & Garrett, J. M., Jun 2017, In: Gynecologic oncology. 145, 3, p. 500-507 8 p.

  Research output: Contribution to journal › Article › peer-review
  13 Scopus citations

• Variation in noninvasive ventilation use in amyotrophic lateral sclerosis

  Thakore, N. J., Lapin, B. R., Pioro, E. P. & Aboussouan, L. S., Jul 16 2019, In: Neurology. 93, 3, p. E306-E316

  Research output: Contribution to journal › Article › peer-review
  8 Scopus citations

• Variation in number of root tips influences survival in competition with an invasive grass

  Foxx, A. J. & Kramer, A. T., Aug 2020, In: Journal of Arid Environments. 179, 104189.

  Research output: Contribution to journal › Article › peer-review
  3 Scopus citations

• Variation in Operative Technique: The “Nip 'n Tuck” Principle in Dermatologic Surgery

  Robinson, J. K., Apr 1980, In: The Journal of Dermatologic Surgery and Oncology. 6, 4, p. 282-285 4 p.

  Research output: Contribution to journal › Article › peer-review
  2 Scopus citations

• Variation in ophthalmologist use of anti vascular endothelial growth factor therapy among medicare beneficiaries

  Thakore, R. V., Greenberg, P. B., Behrens, J. J. & French, D. D., Sep 1 2016, In: JAMA ophthalmology. 134, 9, p. 1071-1072 2 p.

  Research output: Contribution to journal › Article › peer-review

• Variation in Part-Time Work among Pediatric Subspecialties

  Freed, G. L., Boyer, D. M., Van, K. D., Macy, M. L., McCormick, J. & Leslie, L. K., Apr 2018, In: Journal of Pediatrics. 195, p. 263-268 6 p.

  Research output: Contribution to journal › Article › peer-review
  8 Scopus citations

• Variation in pediatric emergency department care of sickle cell disease and fever

  Ellison, A. M., Thurm, C., Alessandrini, E., Jain, S., Cheng, J., Black, K., Schroeder, L., Stone, K. & Alpern, E. R., Apr 1 2015, In: Academic Emergency Medicine. 22, 4, p. 423-430 8 p.

  Research output: Contribution to journal › Article › peer-review
  5 Scopus citations

• Variation in Pharmacologic Management of Patients with Kawasaki Disease with Coronary Artery Aneurysms

  International Kawasaki Disease Registry, Jan 2022, In: Journal of Pediatrics. 240, p. 164-170.e1

  Research output: Contribution to journal › Article › peer-review