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Blockeel C, Riva A, De Vos M, Haentjens P, Devroey P.Blockeel C, et al. Among authors: devroey p.Fertil Steril. 2011 Apr;95(5):1714-9.e1-2. doi: 10.1016/j.fertnstert.2011.01.028.Fertil Steril. 2011.PMID: 21300334Free article.Clinical Trial.
Blockeel C, Schutyser V, De Vos A, Verpoest W, De Vos M, Staessen C, Haentjens P, Van der Elst J, Devroey P.Blockeel C, et al. Among authors: devroey p.Reprod Biomed Online. 2008 Dec;17(6):848-54. doi: 10.1016/s1472-6483(10)60414-2.Reprod Biomed Online. 2008.PMID: 19079970Clinical Trial.