title: Letter to the Editor: "Directed Acyclic Graphs for Oral Disease Research".
authors.affiliation: Department of Prosthetic Dentistry, Gerodontology and Biomaterials, University of Greifswald, Greifswald, Germany schwahn@uni-greifswald.de.
authors.forename: C
authors.initials: C
authors.lastname: Schwahn
authors.affiliation: Department of Prosthetic Dentistry, Gerodontology and Biomaterials, University of Greifswald, Greifswald, Germany.
authors.forename: T
authors.initials: T
authors.lastname: Mundt
authors.affiliation: Department of Prosthetic Dentistry, Gerodontology and Biomaterials, University of Greifswald, Greifswald, Germany.
authors.forename: R
authors.initials: R
authors.lastname: Biffar
mesh_terms: D015986:Confounding Factors, Epidemiologic; D003627:Data Interpretation, Statistical; D006801:Humans; D009059:Mouth Diseases