Keyphrases
Sun Exposed
100%
Tretinoin
100%
Topical Tretinoin
100%
Skin Photoaging
60%
Structural Change
40%
Transmission Electron Microscopy
20%
Keratinocytes
20%
Human Studies
20%
Topical Treatment
20%
Biopsy Specimen
20%
Human Skin
20%
New Blood Vessel
20%
Light Microscopy
20%
White Women
20%
Electron Density
20%
Size-density
20%
Histochemistry
20%
Structural Alterations
20%
Clinical Change
20%
Once-daily
20%
Ultrastructural Analysis
20%
Sun Exposure
20%
Blood Vessel Formation
20%
Aged Persons
20%
Glycosaminoglycans
20%
Thigh
20%
Elastic Fibers
20%
Inner Aspect
20%
Involutional
20%
Dermal-epidermal Junction
20%
Epidermal Thickness
20%
Rete Ridges
20%
Sun-exposed Skin
20%
Medicine and Dentistry
Tretinoin
100%
Thigh
14%
Angiogenesis
14%
Topical Treatment
14%
Histochemistry
14%
Human Study
14%
Elastic Fiber
14%
Biopsy Technique
14%
Transmission Electron Microscopy
14%
Dermoepidermal Junction
14%
Microscopy
14%
Keratinocyte
14%
Glycosaminoglycan
14%
Pharmacology, Toxicology and Pharmaceutical Science
Retinoic Acid
100%
Glycosaminoglycan
14%
Human Study
14%
Transmission Electron Microscopy
14%