AU - GRAHAM EA TI - THe significance of changed intrathoracic pressures PT - JOUR DP - 1929 TA - Archives of Surgery pages = {181-189}, VI - 18 IP - 1_PART_II AID - 10.1001/archsurg.1929.04420020003001 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.1929.04420020003001 SO - Archives of Surgery January 1, 1929 18(1_PART_II):181