AU - THAYER W TI - FUrther observations on the third heart sound PT - JOUR DP - 1909 TA - Archives of Internal Medicine pages = {297-305}, VI - IV IP - 4 AID - 10.1001/archinte.1909.00050200003001 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1909.00050200003001 SO - Archives of Internal Medicine October 1, 1909 IV(4):297