title: Training models: introduction.
mesh_terms: D000046:Academic Medical Centers; D002170:Canada; D004500:Education, Graduate; D004501:Education, Medical; D004503:Education, Medical, Graduate; D009316:National Institutes of Health (U.S.); D012106:Research / Q000193:education*; D012108:Research Personnel / Q000193:education; D014481:United States