TI - POstgraduate continuation medical education PT - JOUR DP - 1959 TA - Journal of the American Medical Association pages = {1930-1931}, VI - 170 IP - 16 AID - 10.1001/jama.1959.03010160046013 [doi] 4100 - http://dx.doi.org/10.1001/jama.1959.03010160046013 SO - Journal of the American Medical Association August 15, 1959 170(16):1930