Letter: Learning environment.
D002309:Cardiology / Q000193:education*; D003365:Costs and Cost Analysis; D004504:Education, Medical, Undergraduate; D005069:Evaluation Studies as Topic; D005180:Faculty, Medical; D008722:Methods; D008910:Minnesota; D010361:Patients; D010372:Pediatrics / Q000193:education*; D011996:Records; D012647:Self-Assessment; D013997:Time Factors