title: Endoscopic ultrasonography in the diagnosis of submucosal tumors: need for biopsy.
authors.affiliation: Medical College of Wisconsin, Milwaukee.
authors.forename: M F
authors.initials: MF
authors.lastname: Catalano
mesh_terms: D001707:Biopsy, Needle; D016099:Endoscopy, Gastrointestinal; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology*; D005770:Gastrointestinal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology*; D006801:Humans; D009092:Mucous Membrane / Q000000981:diagnostic imaging* / Q000473:pathology*; D018084:Ultrasonography, Interventional