See one, do one, teach one.
Vargo
John J
JJ
D002983:Clinical Competence; D004066:Digestive System Diseases / Q000175:diagnosis*; D004501:Education, Medical / Q000458:organization & administration*; D016145:Endoscopy, Digestive System; D006801:Humans; D011214:Practice, Psychological; D011380:Programmed Instructions as Topic