Foundations of parasitology / Gerald D. Schmidt, Larry S. Roberts. Schmidt, Gerald D., 1934- Roberts, Larry S., 1935- jt. aut. Parasitology. Parasites. Parasitology. QL757 .S35 1989 591.5249 19 SCF Includes bibliographical references and index. St. Louis : Times Mirror/Mosby, c1989. c1989. 1989 Text viii, 750 p. : eng