J. Van Zyl
发表
R. Menkveld,
A. Retief,
J. Van Zyl,
1975,
International journal of fertility.
R. Paridaens,
R. Sylvester,
J. Julien,
1993,
Journal of clinical oncology : official journal of the American Society of Clinical Oncology.
R. Menkveld,
G. Joubert,
T. Kotzé,
1986,
Archives of andrology.
A. Farman,
F. Grotepass,
F. Farman,
1977,
The British journal of oral surgery.
A. Farman,
F. Grotepass,
C. Nortjé,
1976,
The British journal of oral surgery.
R. Menkveld,
J. V. van Zyl,
J. Van Zyl,
2006,
Andrologia.
C. Lombard,
R. Menkveld,
F. Stander,
1986,
Fertility and sterility.
The evaluation of morphological characteristics of human spermatozoa according to stricter criteria.
R. Menkveld,
F. Stander,
T. J. Kotzé,
1990,
Human reproduction.
S. Shapiro,
D. Dent,
D. Cooper,
2000,
American journal of epidemiology.
G. Murphy,
A. Lochner,
J. Van Zyl,
1968,
Annals of surgery.
G. Murphy,
J. Groenewald,
H. Brede,
1969,
The Journal of urology.
New methods of treatment for renal allotransplants using the baboon as a primate experimental model.
G. Murphy,
J. Deklerk,
H. Brede,
1969,
The Journal of urology.
G. Murphy,
H. Brede,
H. Weber,
1969,
The American surgeon.
J. Groenewald,
I. Bersohn,
R. Schoonees,
1969,
Journal of surgical oncology.
G. Murphy,
H. Weber,
F. Retief,
1969,
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.
J. Van Zyl,
A. Muller,
1993,
Journal of surgical oncology.
J. Van Zyl,
A. Muller,
1995,
Journal of surgical oncology.
P. V. van Helden,
T. Victor,
R. du Toit,
1991,
Journal of clinical microbiology.
D. Hayes,
C. Vogel,
W. Bezwoda,
1995,
Journal of clinical oncology : official journal of the American Society of Clinical Oncology.
S. Shapiro,
D. Dent,
D. Cooper,
2000,
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.
R. Menkveld,
F. Stander,
T. Kruger,
1985,
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.
J. Van Zyl,
W. van Niekerk,
M. Muller,
1980,
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.
R. Menkveld,
F. Stander,
A. Lopata,
1985,
Acta Europaea fertilitatis.
J. Groenewald,
L. Laker,
D. D. du Toit,
1984,
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.
G. Joubert,
J. Van Zyl,
A. Muller,
1989,
Journal of surgical oncology.
J. Apffelstaedt,
J. Van Zyl,
A. Muller,
1995,
Journal of surgical oncology.
R. Menkveld,
F. Stander,
T. Kruger,
1986,
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.
G. Murphy,
J. Groenewald,
H. Brede,
1968,
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.