Volkmann, H Double-blind, placebo-controlled cross-over study of intravenous S-adenosyl-L-methionine in patients with fibromyalgia. [electronic resource] - Scandinavian journal of rheumatology 1997 - 206-11 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0300-9742 Standard No.: 10.3109/03009749709065682 doi Subjects--Topical Terms: AdultAgedCross-Over StudiesDouble-Blind MethodFemaleFibromyalgia--drug therapyHumansInjections, IntravenousMaleMiddle AgedPain--drug therapyPain MeasurementS-Adenosylmethionine--administration & dosageSeverity of Illness IndexSurveys and QuestionnairesTreatment Outcome