por Lockhart, Robert Douglas, 1894- [autor] | Hamilton, Gilbert Frewin [autor] | Fyfe, Forest William [autor] | Folch y Pi, A, 1905- [traductor] | Vela Treviño, Homero [traductor] | Lopez Antunez, Luis [colaborador] | Cravioto, Omar [colaborador].
por Ham, Arthur W. (Arthur Worth), 1902-1992 [autor] | Cormack, David H [autor] | Vela Treviño, Homero [traductor] | Blengio Pinto, José Rafael [traductor] | Ham, Arthur W. (Arthur Worth), 1902-1992. Histology.