Teratozoospermia and in-vitro fertilization: a randomized prospective study von Ombelet, W., Fourie, F.leR, Vandeput, H., Bosmans, E., Cox, A., Janssen, M., Kruger, T.

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Multiple attempts at embryo transfer: effect on pregnancy outcome in an in vitro fertilization and embryo transfer program von VISSER, D. S, FOURIE, F. LE R, KRUGER, H. F

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Interleukin-1β, interleukin-6, and growth hormone levels in human follicular fluid von HUYSER, C, FOURIE, F. L. R, BOSMANS, E, LEVAY, P. F

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Spectrophotometric analysis of human follicular fluid with regard to in vitro fertilization (IVF) parameters, follicular protein, and hormone content von HUYSER, C, FOURIE, F. LE R, LEVAY, P

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The detection of blood contamination in human follicular fluid von LEVAY, P. F, HUYSER, C, FOURIE, F. Le R, ROSSOUW, D. J

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The predictive value of basal follicle stimulating and growth hormone levels as determined by immunofluorometry during assisted reproduction von HUYSER, C, FOURIE, F. L. R, PENTZ, J, HURTER, P

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40Ar/39Ar laser probe geochronology of kimberlites and related rocks: The defeat of excess argon von Phillips, D, Kiviets, G B, Barton, E S, Fourie, L F

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The applicability of the cumulative embryo score system for embryo selection and quality control in an in-vitro fertilization/embryo transfer programme von VISSER, D. S, FOURIE, F. LE R

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Effectiveness of various sperm processing methods in removing seminal plasma from insemination media von LEVAY, P. F, FOURIE, F. L. R, BEZUIDENHOUT, C, KOCH, A

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In vitro Maturation and Fertilization of Oocytes Recovered from Free-Ranging Burchell's Zebra (Equus burchelli) and Hartmann's Zebra (Equus zebra hartmannae) von Meintjes, Marius, Bezuidenhout, Cecile, Bartels, Paul, Visser, David S., Meintjes, Jane, Loskutoff, Naida M., Le R. Fourie, Francois, Barry, Danie M., Godke, Robert A.

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Microbial flora in semen during in vitro fertilization von Huyser, C., Fourie, F. Le R., Oosthuizen, M., Neethling, A.

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Freeze-thaw of human follicular fluid: influence on the biochemical profile von HUYSER, C, FOURIE, F. LE R, LEVAY, P

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Successful pregnancy despite retrograde ejaculation. A case report von Bosman, E, Fourie, F L, van der Merwe, J V

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Effects of melatonin on heat production and enzymatic activity in diurnal and in nocturnal rodents von Haim, A., Le R. Fourie, F.

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A preliminary report on the effects of parasitism by the leeches Theromyzon cooperi and Placobdella garoui on the physiology of the redbilled teal Anas erythrorhyncha von Fourie, F.Le R, Oosthuizen, J.H, Cross, Marisa

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Electron microscopic study of human sperm membrane isolation von LEVAY, P. F, LOURENS, N, LOOTS, G. P, LE R. FOURIE, F

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A preliminary study of the fine structure of in vitro fertilized human embryos von Esterhuizen, Aletta D., Merwe, J. V., Fourie, F. Le R.

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Chronobiological Fluctuations in Semen Parameters with a Constant Abstinence Period von Ombelet, W., Maes, M., Vandeput, H., Cox, A., Janssen, M., Pollet, H., Fourie, F. Le R., Steeno, O., Bosmans, E.

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Spectrophotometric absorbance of follicular fluid: a selection criterion von HUYSER, C, FOURIE, L. LE R, WOLMARANS, L

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The effect of seminal plasma on human sperm-zona pellucida binding von Levay, P.F., R.Fourie, F.le, Meintjes, J.

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