Keyphrases
Relative Risk
100%
Oral Contraceptives
100%
Confidence Interval
100%
Placental Site Trophoblastic Tumor
100%
Oral Contraceptive Use
100%
Risk Estimation
50%
P for Trend
50%
United States
25%
China
25%
Telephone Interview
25%
Gynecological Diseases
25%
Control Subjects
25%
Multicenter Case-control Study
25%
Rare Diseases
25%
Index Pregnancy
25%
Consistent Patterns
25%
Odds Ratio
25%
Duration of Use
25%
Gestational Trophoblastic Disease
25%
Choriocarcinoma
25%
Number of Sexual Partners
25%
Separation Analysis
25%
Conditional Logistic Regression
25%
Area of Residence
25%
Gestational Choriocarcinoma
25%
Pregnancy Ages
25%
Medicine and Dentistry
Trophoblastic Disease
100%
Oral Contraceptive Use
100%
Oral Contraceptive
80%
Choriocarcinoma
40%
Conception
40%
Logistic Regression Analysis
20%
Rare Disease
20%
Gynecologic Disease
20%
Case-Control Study
20%
Nevus
20%
Odds Ratio
20%
Nursing and Health Professions
Trophoblastic Tumor
100%
Oral Contraceptive Agent
100%
Trophoblastic Disease
100%
Confidence Interval
50%
Choriocarcinoma
25%
Odds Ratio
12%
Case-Control Study
12%
Gynecologic Disease
12%
Rare Disease
12%
Logistic Regression Analysis
12%
Pharmacology, Toxicology and Pharmaceutical Science
Oral Contraceptive
100%
Trophoblastic Tumor
100%
Trophoblastic Disease
100%
Choriocarcinoma
25%
Case-Control Study
12%
Mole (Insectivora)
12%
Gynecologic Disease
12%
Rare Disease
12%