TI - CUrrent comment PT - JOUR DP - 1919 TA - Journal of the American Medical Association pages = {1617-1618}, VI - 73 IP - 21 AID - 10.1001/jama.1919.02610470053019 [doi] 4100 - http://dx.doi.org/10.1001/jama.1919.02610470053019 SO - Journal of the American Medical Association November 22, 1919 73(21):1617