Ethical issues posed by cluster randomized trials in health research.
Weijer C, Grimshaw JM, Taljaard M, Binik A, Boruch R, Brehaut JC, Donner A, Eccles MP, Gallo A, McRae AD, Saginur R, Zwarenstein M.
Weijer C, et al.
Trials. 2011 Apr 20;12:100. doi: 10.1186/1745-6215-12-100.
Trials. 2011.
PMID: 21507237
Free PMC article.