DOI:
10.1055/s-00000022
Das Gesundheitswesen
LinksClose Window
References
Campbell MJ, Donner A, Klar N.
Developments in cluster randomized trials and statistics in medicine.
Statistics in medicine 2007;
26: 2-19
Access:
Access:
Access:
We do not assume any responsibility for the contents of the web pages of other providers.