Further studies with topical 5-fluorouracil.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002247:Carbon Isotopes; D005472:Fluorouracil / Q000378:metabolism / Q000627:therapeutic use*; D006801:Humans; D007642:Keratosis / Q000188:drug therapy*; D008875:Middle Aged; D009824:Ointments; D012869:Skin Absorption
D002247:Carbon Isotopes; D009824:Ointments; D005472:Fluorouracil