AU - SMITH MK, MORTON PC TI - POstoperative pneumonia PT - JOUR DP - 1929 TA - Archives of Surgery pages = {2167-2175}, VI - 18 IP - 5 AID - 10.1001/archsurg.1929.01140140123006 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.1929.01140140123006 SO - Archives of Surgery May 1, 1929 18(5):2167