TI - ORganization section PT - JOUR DP - 1939 TA - Journal of the American Medical Association pages = {149-156}, VI - 112 IP - 2 AID - 10.1001/jama.1939.02800020055017 [doi] 4100 - http://dx.doi.org/10.1001/jama.1939.02800020055017 SO - Journal of the American Medical Association January 14, 1939 112(2):149