Standard 4: determining adequate sample sizes.

Pediatrics

PubMedID: 22661760

van der Tweel I, Askie L, Vandermeer B, Ellenberg S, Fernandes RM, Saloojee H, Bassler D, Altman DG, Offringa M, van der Lee JH, StaR Child Health Group. Standard 4: determining adequate sample sizes. Pediatrics. 2012;129 Suppl 3S138-45.
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