title: The conduct of clinical trials in the impaired elderly.
mesh_terms: D000368:Aged; D000929:Antidepressive Agents, Tricyclic / Q000378:metabolism; D002986:Clinical Trials as Topic; D004358:Drug Therapy; D006801:Humans; D008875:Middle Aged; D004364:Pharmaceutical Preparations / Q000378:metabolism
chemical_list: D000929:Antidepressive Agents, Tricyclic; D004364:Pharmaceutical Preparations