Fine-needle aspiration cytology guided by endoscopic ultrasonography. Results in 141 patients.
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D001707:Biopsy, Needle / Q000379:methods*; D016099:Endoscopy, Gastrointestinal; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D012680:Sensitivity and Specificity; D014463:Ultrasonography