title: A comparative study of two long-acting antihistamines.
mesh_terms: D000328:Adult; D002744:Chlorpheniramine / Q000008:administration & dosage* / Q000009:adverse effects; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D010632:Pheniramine / Q000008:administration & dosage* / Q000009:adverse effects; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*
chemical_list: D010632:Pheniramine; D002744:Chlorpheniramine