title: Multiple urethral fistulae, an unusual early presentation of Stevens-Johnson syndrome.
mesh_terms: D006801:Humans; D008297:Male; D013262:Stevens-Johnson Syndrome / Q000139:chemically induced / Q000150:complications*; D013421:Sulfamethoxypyridazine / Q000009:adverse effects*; D014522:Urethral Diseases / Q000209:etiology*; D014548:Urinary Fistula / Q000209:etiology*
chemical_list: D013421:Sulfamethoxypyridazine