TI - NEws and comment PT - JOUR DP - 1939 TA - American Journal of Diseases of Children pages = {1168}, VI - 57 IP - 5 AID - 10.1001/archpedi.1939.01990050174013 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1939.01990050174013 SO - American Journal of Diseases of Children May 1, 1939 57(5):1168