title: STUDIES WITH ASPIRIN: PSYCHOPHARMACOLOGIC AND METHODOLOGIC CONSIDERATIONS.
mesh_terms: D001007:Anxiety; D001241:Aspirin; D035843:Biomedical Research; D002110:Caffeine; D006801:Humans; D001523:Mental Disorders; D010615:Phenacetin; D010919:Placebos; D011600:Psychopharmacology; D013223:Statistics as Topic; D013312:Stress, Physiological; D014149:Tranquilizing Agents
chemical_list: D010919:Placebos; D014149:Tranquilizing Agents; D002110:Caffeine; D010615:Phenacetin; D001241:Aspirin
keywords: ANXIETY; ASPIRIN; CAFFEINE; CLINICAL RESEARCH; PHENACETIN; PLACEBOS; PSYCHOPHARMACOLOGY; STATISTICS; STRESS; TRANQUILIZING AGENTS