title: Allergy from pyrazoline derivatives.
mesh_terms: D004338:Drug Combinations; D003875:Drug Eruptions / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010328:Patch Tests; D010653:Phenylbutazone / Q000009:adverse effects*; D000077489:Piperazine; D010879:Piperazines / Q000009:adverse effects*; D013488:Suppositories
chemical_list: D004338:Drug Combinations; D010879:Piperazines; D013488:Suppositories; D000077489:Piperazine; D010653:Phenylbutazone