Analysis of information sources in references of the Wikipedia article "Years of potential life lost" in English language version.
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: CS1 maint: archived copy as title (link)Page 54 Retrieved 17 January 2009.{{cite web}}
: CS1 maint: archived copy as title (link)Retrieved=17 January 2009 Page 53{{cite web}}
: CS1 maint: archived copy as title (link)Page 54 Retrieved 17 January 2009.{{cite web}}
: CS1 maint: archived copy as title (link)Retrieved=17 January 2009 Page 53