title: A New Breed in the Teaching of Medicine: Paid Lecturers, Trainers or Speakers.
authors.affiliation: Centro de Hematología y Medicina Interna, Clínica Ruiz, Puebla, Mexico.
authors.forename: Guillermo J
authors.initials: GJ
authors.lastname: Ruiz-Argüelles
mesh_terms: D004501:Education, Medical / Q000379:methods / Q000592:standards; D005180:Faculty, Medical / Q000592:standards; D006801:Humans