TI - NEws and comment PT - JOUR DP - 1949 TA - American Journal of Diseases of Children pages = {774-775}, VI - 77 IP - 6 AID - 10.1001/archpedi.1949.02030040789010 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1949.02030040789010 SO - American Journal of Diseases of Children June 1, 1949 77(6):774