Fleiss, Joseph L The design and analysis of clinical experiments / Joseph L. Fleiss - New York : John Wiley & Sons Inc, 1999 - 432 p : ill. ; 23 cm. ISBN: 0471349917 RM281.20 LCCN: 85-17830 Subjects--Topical Terms: Clinical Trials--methodsMathematicsReseach DesignStatistics National Library of Medicine Call No.: W20.5