TI - SOzialhygiene im säuglings- und kleinkindesalter. PT - JOUR DP - 1929 TA - Journal of the American Medical Association pages = {1700-1701}, VI - 92 IP - 20 AID - 10.1001/jama.1929.02700460056031 [doi] 4100 - http://dx.doi.org/10.1001/jama.1929.02700460056031 SO - Journal of the American Medical Association May 18, 1929 92(20):1700