Markell, Edward K Medical parasitology / Edward K. Markell, Marietta Voge, David T. John. - 7th ed. - Philadelphia, Pa. ; London : W.B. Saunders, c1992. - x, 463 p. , [10] p. of plates : ill. (some col.), maps ; 27 cm. Includes bibliographical references and index. ISBN: 0721634117 Subjects--Topical Terms: Medical parasitology.