Skulason Bragi, Jonsdottir Lilja, Sigurdardottir Valgerdur, & Helgason Asgeir R. (2012). Assessing survival in widowers, and controls -A nationwide, six- to nine-year follow-up. BMC.
Chicago Style (17th ed.) CitationSkulason Bragi, Jonsdottir Lilja, Sigurdardottir Valgerdur, and Helgason Asgeir R. Assessing Survival in Widowers, and Controls -A Nationwide, Six- to Nine-year Follow-up. BMC, 2012.
MLA (9th ed.) CitationSkulason Bragi, et al. Assessing Survival in Widowers, and Controls -A Nationwide, Six- to Nine-year Follow-up. BMC, 2012.
Warning: These citations may not always be 100% accurate.