(2012). A Practical Guide to Cluster Randomised Trials in Health Services Research [electronic resource].
Cita Chicago (17th ed.)A Practical Guide to Cluster Randomised Trials in Health Services Research [electronic Resource]. 2012.
Cita MLA (9th ed.)A Practical Guide to Cluster Randomised Trials in Health Services Research [electronic Resource]. 2012.
Atenció: Aquestes cites poden no estar 100% correctes.