TI - CHild welfare PT - JOUR DP - 1919 TA - American Journal of Diseases of Children pages = {306-311}, VI - 18 IP - 4 AID - 10.1001/archpedi.1919.04110340085007 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1919.04110340085007 SO - American Journal of Diseases of Children October 1, 1919 18(4):306