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Horne AW, Critchley HO, Doust A, Fehr D, Wilson J, Wu O, Jack S, Porter M, Lewis S, Bhattacharya S.Horne AW, et al.BMJ Open. 2012 Jun 8;2(3):e001297. doi: 10.1136/bmjopen-2012-001297. Print 2012.BMJ Open. 2012.PMID: 22685224Free PMC article.
Porter M, Bhattacharya S.Porter M, et al.Hum Reprod. 2005 Sep;20(9):2523-30. doi: 10.1093/humrep/dei094. Epub 2005 May 19.Hum Reprod. 2005.PMID: 15905288
Porter M, Bhattacharya S.Porter M, et al.Hum Reprod. 2008 Mar;23(3):567-72. doi: 10.1093/humrep/dem398. Epub 2007 Dec 17.Hum Reprod. 2008.PMID: 18089553
Porter M, Bhattacharya S.Porter M, et al.Lancet. 2004 Jun 12;363(9425):1921-2. doi: 10.1016/S0140-6736(04)16437-4.Lancet. 2004.PMID: 15194248No abstract available.
Maheshwari A, Porter M, Shetty A, Bhattacharya S.Maheshwari A, et al.Fertil Steril. 2008 Oct;90(4):1036-42. doi: 10.1016/j.fertnstert.2007.07.1338. Epub 2007 Oct 1.Fertil Steril. 2008.PMID: 17905234Free article.
Porter M, van Teijlingen E, Chi Ying Yip L, Bhattacharya S.Porter M, et al.Birth. 2007 Jun;34(2):148-54. doi: 10.1111/j.1523-536X.2007.00161.x.Birth. 2007.PMID: 17542819