1. The mortality of surgical operations in the upper Lake States compared with that of other regions Author(s): Andrews, Edmund, 1824-1904 Publication: Chicago : Hazlitt & Reed, 1877 Subject(s): Surgical Procedures, Operative -- mortalityGreat Lakes Region
2. Operative procedures in advanced age, based on a study of sixty-five cases aged seventy or more Author(s): Gibson, C. L., author Publication: Philadelphia, Pa. : University of Pennsylvania Press, [1893?] Subject(s): Surgical Procedures, Operative -- mortalityAged
