title: Usefulness of endoscopic ultrasonography in endoscopic submucosal dissection.
authors.forename: Jeong Hoon
authors.initials: JH
authors.lastname: Lee
authors.forename: Hwoon-Yong
authors.initials: HY
authors.lastname: Jung
mesh_terms: D002983:Clinical Competence; D004210:Dissection / Q000379:methods*; D016099:Endoscopy, Gastrointestinal / Q000379:methods*; D019160:Endosonography / Q000379:methods*; D005753:Gastric Mucosa / Q000000981:diagnostic imaging* / Q000601:surgery*; D006801:Humans; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery*