Cope, Zachary, 1881-1974 Cope's Early diagnosis of the acute abdomen. - 18th ed. / revised by William Silen. - New York ; Oxford : Oxford University Press, 1991. - xii, 301 p., 14 plates : ill. ; 21 cm. Includes index. ISBN: 0195067347 (cloth) 0195067355 (pbk.) Subjects--Topical Terms: Acute abdomen--Diagnosis. LC Class. No.: RD540 / .C6 1991 National Library of Medicine Call No.: WI 900 S582c