Gullestad, L Oral versus intravenous magnesium supplementation in patients with magnesium deficiency. [electronic resource] - Magnesium and trace elements - 11-6 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1015-3845 Subjects--Topical Terms: Administration, OralAdultAgedAged, 80 and overFemaleHumansInjections, IntravenousMagnesium--administration & dosageMagnesium Deficiency--therapyMaleMiddle Aged