AU - RUHRAH J TI - WOlfgang hoefer 1614-1681 PT - JOUR DP - 1929 TA - American Journal of Diseases of Children pages = {834-836}, VI - 38 IP - 4 AID - 10.1001/archpedi.1929.01930100154018 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1929.01930100154018 SO - American Journal of Diseases of Children October 1, 1929 38(4):834