TI - DIagnosis of viral and rickettsial infections. PT - JOUR DP - 1949 TA - Archives of Internal Medicine pages = {663-664}, VI - 84 IP - 4 AID - 10.1001/archinte.1949.00230040142015 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1949.00230040142015 SO - Archives of Internal Medicine October 1, 1949 84(4):663