TI - CHicago. PT - JOUR DP - 1899 TA - Journal of the American Medical Association pages = {1503}, VI - XXXIII IP - 24 AID - 10.1001/jama.1899.02450760059021 [doi] 4100 - http://dx.doi.org/10.1001/jama.1899.02450760059021 SO - Journal of the American Medical Association December 9, 1899 XXXIII(24):1503