Topical use of 5-fluorouracil.
D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D005472:Fluorouracil / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D007642:Keratosis / Q000188:drug therapy; D012878:Skin Neoplasms / Q000209:etiology*
D005472:Fluorouracil