Principles and practice of clinical research. - Fourth edition / edited by John I. Gallin, Frederick P. Ognibene, Laura Lee Johnson. - xvii, 806 pages : illustrations (some colour) ; 29 cm Includes bibliographical references and index. ISBN: 9780128499054 Subjects--Topical Terms: Clinical medicine--Research.Clinical medicine--Research--Methodology.Clinical medicine. Dewey Class. No.: 616.0072 / PRI 2018