TI - The international medical annual: A year book of treatment and practitioner's index PT - JOUR DP - 1939 TA - Journal of the American Medical Association pages = {1908}, VI - 113 IP - 21 AID - 10.1001/jama.1939.02800460062043 [doi] 4100 - http://dx.doi.org/10.1001/jama.1939.02800460062043 SO - Journal of the American Medical Association November 18, 1939 113(21):1908