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Manrique-Garcia E, Sidorchuk A, Hallqvist J, Moradi T.Manrique-Garcia E, et al. Among authors: hallqvist j.J Epidemiol Community Health. 2011 Apr;65(4):301-9. doi: 10.1136/jech.2009.104075. Epub 2010 Sep 14.J Epidemiol Community Health. 2011.PMID: 20841371
Moradi T, Sidorchuk A, Hallqvist J.Moradi T, et al. Among authors: hallqvist j.Scand J Public Health. 2010 Dec;38(8):889-92. doi: 10.1177/1403494810374220. Epub 2010 Jun 9.Scand J Public Health. 2010.PMID: 20534633