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James PS, Wolfe CA, Mackie A, Ladha S, Prentice A, Jones R.James PS, et al.Hum Reprod. 1999 Jul;14(7):1827-32. doi: 10.1093/humrep/14.7.1827.Hum Reprod. 1999.PMID: 10402398
Wolfe CA, James PS, Mackie AR, Ladha S, Jones R.Wolfe CA, et al. Among authors: mackie ar.Biol Reprod. 1998 Dec;59(6):1506-14. doi: 10.1095/biolreprod59.6.1506.Biol Reprod. 1998.PMID: 9828199