Erratum to: Correspondence: Some general points regarding Ledberg and Wennberg, BMC Medical Research Methodology 2014 April 27;14:58
Crossref DOI link: https://doi.org/10.1186/s12874-015-0065-3
Published Online: 2015-09-25
Published Print: 2015-12
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Böhning, Dankmar
van der Heijden, Peter G M
License valid from 2015-09-25