TI - LOndon letter PT - JOUR DP - 1919 TA - Journal of the American Medical Association pages = {1376-1377}, VI - 73 IP - 18 AID - 10.1001/jama.1919.02610440056025 [doi] 4100 - http://dx.doi.org/10.1001/jama.1919.02610440056025 SO - Journal of the American Medical Association November 1, 1919 73(18):1376