TI - MIlestones in medicine. PT - JOUR DP - 1939 TA - Archives of Internal Medicine pages = {431}, VI - 63 IP - 2 AID - 10.1001/archinte.1939.00180190233016 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1939.00180190233016 SO - Archives of Internal Medicine February 1, 1939 63(2):431