Nygaard, Ingerid Herstad Does oral magnesium substitution relieve pregnancy-induced leg cramps? [electronic resource] - European journal of obstetrics, gynecology, and reproductive biology Nov 2008 - 23-6 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 0301-2115 Standard No.: 10.1016/j.ejogrb.2008.07.005 doi Subjects--Topical Terms: Administration, OralAdultCitric Acid--administration & dosageDietary SupplementsDouble-Blind MethodFemaleHumansMuscle Cramp--drug therapyOrganometallic Compounds--administration & dosagePregnancy