AU - SHULMAN HI TI - COrrespondence PT - JOUR DP - 1929 TA - American Journal of Diseases of Children pages = {615}, VI - 37 IP - 3 AID - 10.1001/archpedi.1929.01930030157019 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1929.01930030157019 SO - American Journal of Diseases of Children March 1, 1929 37(3):615