title: Holiday reading. Evidence-based dating: the Johnson-Purdy nomogram.
authors.affiliation: Queen's School of Medicine, Queen's University, Kingston, Ont.
authors.forename: Eve
authors.initials: E
authors.lastname: Purdy
authors.affiliation: Queen's School of Medicine, Queen's University, Kingston, Ont.
authors.forename: Heather
authors.initials: H
authors.lastname: Johnson
mesh_terms: D003380:Courtship; D049451:Nomograms; D014925:Wit and Humor as Topic