TI - MEdical news PT - JOUR DP - 1919 TA - Journal of the American Medical Association pages = {1169-1174}, VI - 72 IP - 16 AID - 10.1001/jama.1919.02610160053018 [doi] 4100 - http://dx.doi.org/10.1001/jama.1919.02610160053018 SO - Journal of the American Medical Association April 19, 1919 72(16):1169