title: Topical 5-fluorouracil: variability of effective dosage and duration of reaction.
mesh_terms: D002280:Basal Cell Carcinoma / Q000188:drug therapy*; D005472:Fluorouracil / Q000008:administration & dosage* / Q000627:therapeutic use; D006801:Humans; D007642:Keratosis / Q000188:drug therapy; D012878:Skin Neoplasms / Q000188:drug therapy*
chemical_list: D005472:Fluorouracil