title: Letter: Effect of procaine on ageing.
mesh_terms: D000368:Aged; D000375:Aging / Q000187:drug effects; D002986:Clinical Trials as Topic; D003863:Depression / Q000188:drug therapy*; D004341:Drug Evaluation; D006801:Humans; D011343:Procaine / Q000494:pharmacology / Q000627:therapeutic use*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D011343:Procaine