Brenda Heaton, Thomas Dietrich. Show Affiliations »
Abstract
Mesh: See more » BiasCausalityConfounding Factors, EpidemiologicEpidemiologic Research DesignEpidemiologic StudiesHumansPeriodontal Diseases/epidemiologyReproducibility of ResultsSelection Bias
Year: 2012 PMID: 22133370 DOI: 10.1111/j.1600-0757.2011.00419.x
Source DB: PubMed Journal: Periodontol 2000 ISSN: 0906-6713 Impact factor: 7.589