TI - ORganization section PT - JOUR DP - 1949 TA - Journal of the American Medical Association pages = {537-539}, VI - 141 IP - 8 AID - 10.1001/jama.1949.02910080037015 [doi] 4100 - http://dx.doi.org/10.1001/jama.1949.02910080037015 SO - Journal of the American Medical Association October 22, 1949 141(8):537