TI - MEdical news PT - JOUR DP - 1909 TA - Journal of the American Medical Association pages = {1503-1510}, VI - LII IP - 19 AID - 10.1001/jama.1909.02540450035011 [doi] 4100 - http://dx.doi.org/10.1001/jama.1909.02540450035011 SO - Journal of the American Medical Association May 8, 1909 LII(19):1503