title: Hazard of combining allopurinol and thiopurine.
mesh_terms: D000293:Adolescent; D000493:Allopurinol / Q000008:administration & dosage* / Q000009:adverse effects; D000741:Anemia, Aplastic / Q000139:chemically induced; D004357:Drug Synergism; D006801:Humans; D008297:Male; D015122:Mercaptopurine / Q000008:administration & dosage* / Q000009:adverse effects
chemical_list: D000493:Allopurinol; D015122:Mercaptopurine