Leslie Gross Portney

Foundations of Clinical Research: Applications to Practice (2nd Edition)  Leslie Gross Portney Leslie Gross Portney Leslie G. Portney Hardcover. Pearson Education, 2000-01-15 ISBN 9780838526958     Foundations of Clinical Research: Applications to Practice (3rd Edition)  Leslie Gross Portney Hardcover. Prentice Hall, 2008-01-10 ISBN 9780131716407     Foundations of Clinical Research: Applications to Practice  Leslie Gross Portney Paperback. Pearson Education, 2008-02-04 ISBN 9780132344708     Foundations of Clinical Research: Applications to Practice  Leslie Gross Portney Mary P. Watkins Paperback. Appleton and Lange, 1993-01-06 ISBN 9780838510650