AU - Zwillinger LL TI - MAgnesium sulfate in paroxysmal tachycardia PT - JOUR DP - 1939 TA - Journal of the American Medical Association pages = {1281}, VI - 112 IP - 13 AID - 10.1001/jama.1939.02800130065025 [doi] 4100 - http://dx.doi.org/10.1001/jama.1939.02800130065025 SO - Journal of the American Medical Association April 1, 1939 112(13):1281