Chronic respiratory disease in geriatric patients: symptomatic therapy.
D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D006140:Guaifenesin / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010095:Oxotremorine / Q000627:therapeutic use; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases / Q000188:drug therapy*; D013806:Theophylline / Q000627:therapeutic use*
D006140:Guaifenesin; D010095:Oxotremorine; D013806:Theophylline