Suen, Kenneth C. Retroperitoneum and intestine / by Kenneth C. Suen. - 2nd ed. - New York : Igaku-Shoin, 1994. - 291 p. : ill. ; 26 cm. - Guides to clinical aspiration biopsy . ISBN: 0896402568 RM253.84 Subjects--Topical Terms: Retroperitoneal neoplasms--Diagnosis.Biopsy, Needle.Intestinal neoplasms--Diagnosis.