title: Fibre-optic endoscopy, endoscopic brush and biopsy imprint cytology and bioptic histology in lesions of upper gastro-intestinal tract.
mesh_terms: D001706:Biopsy; D004386:Duodenum / Q000473:pathology; D004724:Endoscopy; D004947:Esophagus / Q000473:pathology; D005069:Evaluation Studies as Topic; D005336:Fiber Optic Technology; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000473:pathology; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D013270:Stomach / Q000473:pathology