Letter: Allopurinol and drug induced alopecia.
D000493:Allopurinol / Q000009:adverse effects*; D000505:Alopecia / Q000139:chemically induced*; D006801:Humans; D014969:Xanthine Oxidase / Q000037:antagonists & inhibitors
D000493:Allopurinol; D014969:Xanthine Oxidase