Walter, J. B. An introduction to the principles of disease / John B. Walter. - 2nd ed. - Philadelphia : Saunders, 1982. - x, 672 p. : ill. ; 27 cm. Includes bibliographies and index. ISBN: 0721691218 (pbk.) LCCN: 81048329 Subjects--Topical Terms: Pathology.Pathology. LC Class. No.: RB 111 / .W3