1. Charles Dettie Aaron Publication: [1950?] Subject(s): GastroenterologistsPhysiciansAaron, Charles D. (Charles Dettie), 1866- 1951
2. [A.F.R. Andresen] Publication: [Brooklyn, N.Y. : s.n., 1946] Subject(s): GastroenterologistsPhysiciansAndresen, Albert Frederick Ruger, 1885-
