TI - ORganization section PT - JOUR DP - 1939 TA - Journal of the American Medical Association pages = {737-752}, VI - 112 IP - 8 AID - 10.1001/jama.1939.02800080057020 [doi] 4100 - http://dx.doi.org/10.1001/jama.1939.02800080057020 SO - Journal of the American Medical Association February 25, 1939 112(8):737