TI - MEdical news PT - JOUR DP - 1919 TA - Journal of the American Medical Association pages = {946-952}, VI - 72 IP - 13 AID - 10.1001/jama.1919.02610130040016 [doi] 4100 - http://dx.doi.org/10.1001/jama.1919.02610130040016 SO - Journal of the American Medical Association March 29, 1919 72(13):946