01397nam a2200373Ia 4500001001200000003000800012006001900020007001500039008004100054010001700095020001800112020001800130020001800148020001800166040002100184035002100205050002400226082001800250100002200268245013500290260005700425300001500482490002700497504005100524533015200575650002800727650002900755655002900784700002000813710001700833830002800850856012600878999001901004ebr10524069CaPaEBRm        u        cr cn|||||||||110907s2012    enk     sb    001 0 eng d  z  2011037453  z9780470510476  z9781119966241  z9781119966258  z9781119966722  aCaPaEBRcCaPaEBR  a(OCoLC)77843415914aR723.7b.E53 2012eb04a362.109722231 aEldridge, Sandra.12aA practical guide to cluster randomised trials in health services researchh[electronic resource] /cSandra Eldridge, Sally Kerry.  aChichester, West Sussex :bJohn Wiley & Sons,c2012.  axx, 278 p.1 aStatistics in practice  aIncludes bibliographical references and index.  aElectronic reproduction.bPalo Alto, Calif. :cebrary,d2013.nAvailable via World Wide Web.nAccess may be limited to ebrary affiliated libraries. 0aMedical carexResearch. 0aEvidence-based medicine. 7aElectronic books.2local1 aKerry, Sally M.2 aebrary, Inc. 0aStatistics in practice.40uhttp://site.ebrary.com/lib/rucke/Doc?id=10524069zAn electronic book accessible through the World Wide Web; click to view  c239639d239639