TI - THe normal and pathological physiology of pregnancy PT - JOUR DP - 1949 TA - Journal of the American Medical Association pages = {365}, VI - 140 IP - 3 AID - 10.1001/jama.1949.02900380105028 [doi] 4100 - http://dx.doi.org/10.1001/jama.1949.02900380105028 SO - Journal of the American Medical Association May 21, 1949 140(3):365