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Janssen PA, Ryan EM, Etches DJ, Klein MC, Reime B.Janssen PA, et al. Among authors: klein mc.Birth. 2007 Jun;34(2):140-7. doi: 10.1111/j.1523-536X.2007.00160.x.Birth. 2007.PMID: 17542818
Janssen PA, Lee SK, Ryan EM, Etches DJ, Farquharson DF, Peacock D, Klein MC.Janssen PA, et al. Among authors: klein mc.CMAJ. 2002 Feb 5;166(3):315-23.CMAJ. 2002.PMID: 11868639Free PMC article.
Reime B, Klein MC, Kelly A, Duxbury N, Saxell L, Liston R, Prompers FJ, Entjes RS, Wong V.Reime B, et al. Among authors: klein mc.BJOG. 2004 Dec;111(12):1388-93. doi: 10.1111/j.1471-0528.2004.00338.x.BJOG. 2004.PMID: 15663124