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Hansen AL, Bi P, Ryan P, Nitschke M, Pisaniello D, Tucker G.Hansen AL, et al. Among authors: ryan p.Int J Epidemiol. 2008 Dec;37(6):1359-65. doi: 10.1093/ije/dyn165. Epub 2008 Aug 18.Int J Epidemiol. 2008.PMID: 18710886
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Anikeeva O, Bi P, Hiller JE, Ryan P, Roder D, Han GS.Anikeeva O, et al. Among authors: ryan p.Asia Pac J Public Health. 2010 Apr;22(2):159-93. doi: 10.1177/1010539509358193.Asia Pac J Public Health. 2010.PMID: 20457648Review.
Anikeeva O, Bi P, Hiller JE, Ryan P, Roder D, Han GS.Anikeeva O, et al. Among authors: ryan p.Ethn Health. 2015;20(1):29-48. doi: 10.1080/13557858.2014.883368. Epub 2014 Feb 6.Ethn Health. 2015.PMID: 24498932