title: Topical administration of vitamin A acid (retinoic acid) in palmar keratoses: callosities, hyperkeratotic eczema, hypertrophic lichen planus, pityriasis rubra pilaris.
mesh_terms: D000284:Administration, Oral; D000505:Alopecia / Q000139:chemically induced; D002145:Callosities / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004485:Eczema / Q000188:drug therapy*; D005260:Female; D006229:Hand Dermatoses / Q000188:drug therapy*; D006801:Humans; D008010:Lichen Planus / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D009824:Ointments; D010916:Pityriasis Rubra Pilaris / Q000188:drug therapy*; D010919:Placebos; D012008:Recurrence; D014801:Vitamin A / Q000008:administration & dosage* / Q000009:adverse effects
chemical_list: D009824:Ointments; D010919:Placebos; D014801:Vitamin A