title: Comment on the article by Hernandez-Avila et al.
authors.forename: T D
authors.initials: TD
authors.lastname: Spector
authors.forename: M C
authors.initials: MC
authors.lastname: Hochberg
mesh_terms: D001172:Arthritis, Rheumatoid / Q000517:prevention & control*; D003276:Contraceptives, Oral / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D012307:Risk Factors
chemical_list: D003276:Contraceptives, Oral