Technological-educational factors associated with physio-ergonomic problems in medical students oleh Christian Richard Mejia, Armando Miñan-Tapia, Laura Arce-Villalobos, Liz Cuevas-Zapata, Fátima Nina-Tancara, Juan Aranguren, Maria Rodriguez-Parra, Inti Valle-Bracamontes, Palmer José Hernández-Yépez, Danai Valladares-Garrido, César Johan Pereira-Victorio, Mario Valladares-Garrido