title: [From tutorial teaching to long-distance learning].
authors.affiliation: Edificio de Investigación 5o. Piso Depto. de Salud Pública Ciudad Universitaria, UNAM.
authors.forename: Alejandro
authors.initials: A
authors.lastname: Cravioto
authors.forename: Roberto
authors.initials: R
authors.lastname: Kretschmer
authors.forename: José
authors.initials: J
authors.lastname: Narro-Robles
authors.forename: Octavio
authors.initials: O
authors.lastname: Rivero-Serrano
mesh_terms: D004496:Education, Continuing / Q000379:methods; D020375:Education, Distance; D004501:Education, Medical / Q000379:methods*; D006761:Hospitals; D007753:Laboratories; D012106:Research; D012111:Residence Characteristics; D013663:Teaching / Q000379:methods*