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Bunn F, Collier T, Frost C, Ker K, Roberts I, Wentz R.Bunn F, et al. Among authors: ker k.Inj Prev. 2003 Sep;9(3):200-4. doi: 10.1136/ip.9.3.200.Inj Prev. 2003.PMID: 12966005Free PMC article.Review.
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Roberts I, Ker K.Roberts I, et al. Among authors: ker k.Int J Gynaecol Obstet. 2011 Dec;115(3):220-1. doi: 10.1016/j.ijgo.2011.09.001. Epub 2011 Sep 21.Int J Gynaecol Obstet. 2011.PMID: 21939973No abstract available.