title: Biopsy or no biopsy after EUS examination of lesions suspicious for GI stromal tumors.
authors.forename: Yucel
authors.initials: Y
authors.lastname: Ustundag
authors.forename: Mehmet
authors.initials: M
authors.lastname: Cindoruk
mesh_terms: D044963:Biopsy, Fine-Needle; D019160:Endosonography; D046152:Gastrointestinal Stromal Tumors / Q000175:diagnosis*; D006801:Humans; D041742:Upper Gastrointestinal Tract / Q000473:pathology