TI - CUrrent comment PT - JOUR DP - 1919 TA - Journal of the American Medical Association pages = {1290-1291}, VI - 73 IP - 17 AID - 10.1001/jama.1919.02610430038018 [doi] 4100 - http://dx.doi.org/10.1001/jama.1919.02610430038018 SO - Journal of the American Medical Association October 25, 1919 73(17):1290