TI - MEdical news PT - JOUR DP - 1919 TA - Journal of the American Medical Association pages = {618-624}, VI - 73 IP - 8 AID - 10.1001/jama.1919.02610340050021 [doi] 4100 - http://dx.doi.org/10.1001/jama.1919.02610340050021 SO - Journal of the American Medical Association August 23, 1919 73(8):618