Van Kempen, G M Biochemical measures in patients with a somatoform pain disorder, before, during, and after treatment with amitriptyline with or without flupentixol. [electronic resource] - Biological psychiatry Apr 1992 - 670-80 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0006-3223 Standard No.: 10.1016/0006-3223(92)90276-6 doi Subjects--Topical Terms: AdultAmitriptyline--administration & dosageDepressive Disorder--bloodDouble-Blind MethodDrug Therapy, CombinationFemaleFlupenthixol--administration & dosageHumansMaleMethoxyhydroxyphenylglycol--analogs & derivativesMiddle AgedPain--bloodPain MeasurementPersonality InventorySerotonin--bloodSomatoform Disorders--blood