Nadri, Sedigheh Effect of magnesium sulfate on morphine activity retention to control pain after herniorrhaphy. [electronic resource] - Pain management Mar 2017 - 119-125 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1758-1877 Standard No.: 10.2217/pmt-2016-0038 doi Subjects--Topical Terms: AdolescentAdultAgedAnalgesics, Opioid--therapeutic useDouble-Blind MethodHerniorrhaphy--adverse effectsHumansMagnesium Sulfate--therapeutic useMiddle AgedMorphine--therapeutic usePain MeasurementPain, Postoperative--drug therapyYoung Adult