The clinical value of gastrointestinal cytologic diagnosis.
D000230:Adenocarcinoma / Q000175:diagnosis; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis; D003581:Cytodiagnosis; D004938:Esophageal Neoplasms / Q000175:diagnosis; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans; D007414:Intestinal Neoplasms / Q000175:diagnosis; D008722:Methods; D010190:Pancreatic Neoplasms / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis