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Sabers A, Ohman I, Christensen J, Tomson T.Sabers A, et al. Among authors: christensen j.Neurology. 2003 Aug 26;61(4):570-1. doi: 10.1212/01.wnl.0000076485.09353.7a.Neurology. 2003.PMID: 12939444
Sun Y, Vestergaard M, Pedersen CB, Christensen J, Olsen J.Sun Y, et al. Among authors: christensen j.Epidemiology. 2006 May;17(3):296-301. doi: 10.1097/01.ede.0000208478.47401.b6.Epidemiology. 2006.PMID: 16570027
Sun Y, Vestergaard M, Christensen J, Zhu JL, Bech BH, Olsen J.Sun Y, et al. Among authors: christensen j.Hum Reprod. 2007 Jan;22(1):215-20. doi: 10.1093/humrep/del333. Epub 2006 Aug 26.Hum Reprod. 2007.PMID: 16936302
Sun Y, Vestergaard M, Pedersen CB, Christensen J, Basso O, Olsen J.Sun Y, et al. Among authors: christensen j.Am J Epidemiol. 2008 Feb 1;167(3):262-70. doi: 10.1093/aje/kwm316. Epub 2007 Nov 27.Am J Epidemiol. 2008.PMID: 18042672Free PMC article.
Sun Y, Vestergaard M, Christensen J, Nahmias AJ, Olsen J.Sun Y, et al. Among authors: christensen j.Pediatrics. 2008 May;121(5):e1100-7. doi: 10.1542/peds.2007-2316.Pediatrics. 2008.PMID: 18450853
Sun Y, Strandberg-Larsen K, Vestergaard M, Christensen J, Nybo Andersen AM, Grønbaek M, Olsen J.Sun Y, et al. Among authors: christensen j.Am J Epidemiol. 2009 Feb 1;169(3):313-22. doi: 10.1093/aje/kwn334. Epub 2008 Dec 8.Am J Epidemiol. 2009.PMID: 19064645
Sun Y, Hsu P, Vestergaard M, Christensen J, Li J, Olsen J.Sun Y, et al. Among authors: christensen j.Epidemiology. 2010 Sep;21(5):650-7. doi: 10.1097/EDE.0b013e3181e94253.Epidemiology. 2010.PMID: 20585254