Media type: E-Article Title: Correspondence: Some general points regarding Ledberg and Wennberg, BMC Medical Research Methodology 2014 April 27;14:58 Contributor: Böhning, Dankmar; van der Heijden, Peter G.M. Published: Springer Science and Business Media LLC, 2015 Published in: BMC Medical Research Methodology, 15 (2015) 1 Language: English DOI: 10.1186/s12874-015-0043-9 ISSN: 1471-2288 Keywords: Health Informatics ; Epidemiology Origination: Footnote: Access State: Open Access