AU - SILVERMAN A TI - IMmunization with modified toxin PT - JOUR DP - 1929 TA - American Journal of Diseases of Children pages = {957-962}, VI - 37 IP - 5 AID - 10.1001/archpedi.1929.01930050067008 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1929.01930050067008 SO - American Journal of Diseases of Children May 1, 1929 37(5):957