TI - CUrrent comment PT - JOUR DP - 1949 TA - Journal of the American Medical Association pages = {1157-1158}, VI - 141 IP - 16 AID - 10.1001/jama.1949.02910160047013 [doi] 4100 - http://dx.doi.org/10.1001/jama.1949.02910160047013 SO - Journal of the American Medical Association December 17, 1949 141(16):1157