28632Communicable diseases / by Giorgio Torrigiani and William ParraJournal articles · January 1, 1988
28634Control of diarrhoeal diseases / C. Ann Mart'inez, Dhiman Barua & Michael H. MersonJournal articles · January 1, 1988
28635Disease prevention and control = Lutte contre la maladie [full issue]Journal articles · January 1, 1988
28638L' information est peut-être leur seule défense / Martha Leslie-Harwit et André MeheusJournal articles · January 1, 1988