Clarkson, Carl E Adverse event reporting in studies of penetrating acupuncture during pregnancy: a systematic review. [electronic resource] - Acta obstetricia et gynecologica Scandinavica May 2015 - 453-64 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review; Systematic Review ISSN: 1600-0412 Standard No.: 10.1111/aogs.12587 doi Subjects--Topical Terms: Acupuncture Therapy--adverse effectsFemaleHumansPregnancyPregnancy Complications--epidemiologyResearch Design