por Williams, J. Whitridge (John Whitridge), 1866-1931 [autor] | Williams, J. Whitridge (John Whitridge), 1866-1931. Williams obstetrics | Cunningham, F. Gary [colaborador] | Leveno, Kenneth J [autor] | Bloom, Steven L [autor] | Spong, Catharine Y [autor] | Dashe, Jodi, S [autor] | Hoffman, Barbara, L [autor] | Casey, Brian M [autor] | Sheffiel, Jeanne S [autor] | Araiza Martínez, Martha Elena [traductor] | Blengio Pinto, José Rafael [traductor] | González Hernández, José Luis [traductor] | Hurtado Chong, Anahí [traductor] | Pérez Tamayo, Ana María [traductor].
por Williams, J. Whitridge (John Whitridge), 1866-1931 [autor] | Williams, J. Whitridge (John Whitridge), 1866-1931. Obstetrics | Cunningham, F. Gary [editor] | Leveno, Kenneth J [editor] | Bloom, Steven L [editor] | Spong, Catherine Y [editor] | Dashe, Jodi, S [editor] | Hoffman, Barbara, L [editor] | Casey, Brian M [editor] | Miramar Outsourcing (Firma comercial) [traductor].