Endoscopy and surgeons.
Vitale
Gary C
GC
D001291:Attitude of Health Personnel; D016099:Endoscopy, Gastrointestinal / Q000592:standards* / Q000639:trends; D005544:Forecasting; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D010506:Periodicals as Topic / Q000592:standards* / Q000639:trends; D010818:Practice Patterns, Physicians'; D011642:Publications / Q000592:standards / Q000639:trends