TI - MEdical news PT - JOUR DP - 1909 TA - Journal of the American Medical Association pages = {1671-1677}, VI - LII IP - 21 AID - 10.1001/jama.1909.02540470037009 [doi] 4100 - http://dx.doi.org/10.1001/jama.1909.02540470037009 SO - Journal of the American Medical Association May 22, 1909 LII(21):1671