Drugs and the elderly. Precautions in using bronchodilators.
D000368:Aged; D001993:Bronchodilator Agents / Q000009:adverse effects*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D013806:Theophylline / Q000009:adverse effects
D001993:Bronchodilator Agents; D013806:Theophylline