TI - MEthods of diagnosis. PT - JOUR DP - 1949 TA - Archives of Internal Medicine pages = {476}, VI - 83 IP - 4 AID - 10.1001/archinte.1949.00220330116030 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1949.00220330116030 SO - Archives of Internal Medicine April 1, 1949 83(4):476