AU - BILLINGS F TI - CHronic infectious endocarditis PT - JOUR DP - 1909 TA - Archives of Internal Medicine pages = {409-431}, VI - IV IP - 5 AID - 10.1001/archinte.1909.00050210002001 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1909.00050210002001 SO - Archives of Internal Medicine November 1, 1909 IV(5):409