TI - MEdical literature abstracts PT - JOUR DP - 1959 TA - Journal of the American Medical Association pages = {364-390}, VI - 170 IP - 3 AID - 10.1001/jama.1959.03010030108033 [doi] 4100 - http://dx.doi.org/10.1001/jama.1959.03010030108033 SO - Journal of the American Medical Association May 16, 1959 170(3):364