Placebos are not all alike.
D015670:Acupuncture Therapy / Q000523:psychology; D000639:Amitriptyline / Q000627:therapeutic use; D000929:Antidepressive Agents, Tricyclic / Q000627:therapeutic use; D012090:Cumulative Trauma Disorders / Q000523:psychology / Q000628:therapy; D006801:Humans; D015990:Placebo Effect; D016896:Treatment Outcome
D000929:Antidepressive Agents, Tricyclic; D000639:Amitriptyline