title: Anniversaries--but what have we learned?
authors.forename: Michael
authors.initials: M
authors.lastname: Kirby
mesh_terms: D000846:Anniversaries and Special Events; D002170:Canada / Q000453:epidemiology; D019049:Developed Countries; D015658:HIV Infections / Q000453:epidemiology; D006291:Health Policy; D006801:Humans