TI - MEdical news PT - JOUR DP - 1909 TA - Journal of the American Medical Association pages = {1843-1851}, VI - LII IP - 23 AID - 10.1001/jama.1909.02540490041010 [doi] 4100 - http://dx.doi.org/10.1001/jama.1909.02540490041010 SO - Journal of the American Medical Association June 5, 1909 LII(23):1843