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    • Results of phase I of the in vitro fertilization and embryo transfer programme at Tygerberg Hospital 

      Kruger, T. F.; Van Schouwenburg, J. A. M. H.; Stander, F. S. H.; Van den Heever, A. D.; Van Zyl, J. A.; Menkveld, R.; Kopper, K.; De Villiers, A.; Conradie, E.; Odendaal, H. J.; De Villiers, J. N. (Health and Medical Publishing Group (HMPG), 1985-05)
      Phase I (3 June - 31 October 1983) of the in vitro fertilization (IVF) programme at Tygerberg Hospital is outlined in this article. This programme led to the birth of the first IVF baby in South Africa after fertilization and ...

    • 'n Vergelykende studie van die witselpipet- en Makler-telkamermetodes vir die tel van spermatosoa 

      Menkveld, R.; Van Zyl, J. A.; Stander, F. S. H.; Conradie, E.; Kopper, K. (Health and Medical Publishing Group (HMPG), 1980-10)
      A new method for counting spermatozoa was introduced by Makler. This method was compared with the white blood cell pipette method and the results revealed high precision and accuracy (difference of means = 5,9%). Makler's ...