[From tutorial teaching to long-distance learning].
Cravioto
Alejandro
A
Edificio de Investigación 5o. Piso Depto. de Salud Pública Ciudad Universitaria, UNAM.
Kretschmer
Roberto
R
Narro-Robles
José
J
Rivero-Serrano
Octavio
O
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*