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Sample size calculations for 3-level cluster randomized trials
Teerenstra, S., Moerbeek, M., van Achterberg, T., Pelzer, B. J., Borm, G. F.Volume:
5
Language:
english
Journal:
Clinical Trials
DOI:
10.1177/1740774508096476
Date:
October, 2008
File:
PDF, 140 KB
english, 2008