Canadian Journal on Aging/La Revue canadienne du vieillissement (Vol. 31, No. 4, December 2012).
journals.cambridge.org/action/displayIssue?decade=2010&jid=CJG&volumeId=31&issueId=04&iid=8782476
Journal of the American Geriatrics Society (Vol. 60, No. 12, December 2012).
onlinelibrary.wiley.com/doi/10.1111/jgs.2012.60.issue-12/issuetoc