title: Case-control studies  the retrospective perspective.
authors.forename: Cristian
authors.initials: C
authors.lastname: Papuzinski Aguayo
authors.forename: Felipe
authors.initials: F
authors.lastname: Martínez Lomakin
mesh_terms: D016022:Case-Control Studies; D006801:Humans; D012107:Research Design; D012189:Retrospective Studies