Filtragem por: Sujeito Callaway, Jasper Lamar, 1911- Remover Sujeito: Callaway, Jasper Lamar, 1911- Sujeito Davison, Wilburt Cornell, 1892-1972 Remover Sujeito: Davison, Wilburt Cornell, 1892-1972 Sujeito Duke University -- Students Remover Sujeito: Duke University -- Students Sujeito Duke University. School of Medicine Remover Sujeito: Duke University. School of Medicine