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Group by: Type of Work | No Grouping Number of items: 1. Hemming, Karla and Girling, Alan J and Sitch, Alice J and Marsh, Jennifer and Lilford, Richard J (2011) Sample size calculations for cluster randomised controlled trials with a fixed number of clusters. BMC Medical Research Methodology, 11 (1). p. 102. ISSN 1471-2288 |