AU - Matthews HB TI - "Obstetric shock" PT - JOUR DP - 1939 TA - Journal of the American Medical Association pages = {1898}, VI - 113 IP - 21 AID - 10.1001/jama.1939.02800460052023 [doi] 4100 - http://dx.doi.org/10.1001/jama.1939.02800460052023 SO - Journal of the American Medical Association November 18, 1939 113(21):1898