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Ludwin A, Ludwin I, Kudla M, Kottner J.Ludwin A, et al. Among authors: ludwin i.Fertil Steril. 2015 Sep;104(3):688-97.e8. doi: 10.1016/j.fertnstert.2015.06.019. Epub 2015 Jul 7.Fertil Steril. 2015.PMID: 26158905Free article.
Ludwin A, Ludwin I.Ludwin A, et al. Among authors: ludwin i.Hum Reprod. 2015 Mar;30(3):569-80. doi: 10.1093/humrep/deu344. Epub 2014 Dec 22.Hum Reprod. 2015.PMID: 25534461Free PMC article.
Ludwin A, Ludwin I, Kudla M, Pitynski K, Banas T, Jach R, Knafel A.Ludwin A, et al. Among authors: ludwin i.Fertil Steril. 2014 May;101(5):1392-9. doi: 10.1016/j.fertnstert.2014.01.039. Epub 2014 Feb 26.Fertil Steril. 2014.PMID: 24581576Free article.Clinical Trial.
Ludwin A, Ludwin I, Bhagavath B, Lindheim SR.Ludwin A, et al. Among authors: ludwin i.Fertil Steril. 2018 Sep;110(4):778-779. doi: 10.1016/j.fertnstert.2018.05.033.Fertil Steril. 2018.PMID: 30196976Free article.