na INLIS000000000004642 N 0010-0317004640 How to Design, Analyse and Report Cluster Randomised Trials in Medicine and Health Related Research Campbell, Michael J. New Jersey : John Wiley & Sons 2014 xiv, 247 hlm. 24 cm 9781119992028 610.724 Cam h 610.724 MEDICAL CARE - RESEARCH 125215212