TI - THe biology of pneumococcus. PT - JOUR DP - 1939 TA - Archives of Internal Medicine pages = {199-200}, VI - 63 IP - 1 AID - 10.1001/archinte.1939.00180180209018 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1939.00180180209018 SO - Archives of Internal Medicine January 1, 1939 63(1):199