Polgar, Stephen. Introduction to research in the health sciences / Stephen Polgar, Shane A. Thomas. - Melbourne ; New York : Churchill Livingstone, 1988 - viii, 307 p. : ill. Includes index. Bibliography: p. 287-288. ISBN: 9780443036071 (pbk.) Subjects--Topical Terms: Research Design National Library of Medicine Call No.: W 20.5 / .P65 1988