TI - NEws and comment PT - JOUR DP - 1969 TA - American Journal of Diseases of Children pages = {252-255}, VI - 117 IP - 2 AID - 10.1001/archpedi.1969.02100030254025 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1969.02100030254025 SO - American Journal of Diseases of Children February 1, 1969 117(2):252