Beaming in on the GI tract.
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Zettel
D004724:Endoscopy; D005767:Gastrointestinal Diseases / Q000601:surgery*; D006801:Humans; D053685:Laser Therapy; D010353:Patient Education as Topic; D013527:Perioperative Nursing; D011182:Postoperative Care; D011300:Preoperative Care