by Mackenzie, S.B.P., Van der Colf, B.E., Van Zyl, G.U.
Published in South African journal of obstetrics and gynaecology (1999) (01.09.2019)

by van Zyl, G.U, Claassen, M, Engelbrecht, S, Laten, J.D, Cotton, M.F, Theron, G.B, Preiser, W
Published in Journal of medical virology (01.06.2008)

by van Zyl, G.U, Maponga, T, Rabie, H, Taljaard, J
Published in South African medical journal (01.02.2024)

by van Zyl, G.U., Preiser, W., Potschka, S., Lundershausen, A.T., Haubrich, R., Smith, D.
Published in Clinical infectious diseases (15.01.2011)

by van Zyl, G.U., Korsman, S.N.J., Maree, L., Preiser, W.
Published in Journal of virological methods (01.05.2010)

by Claassen, M., van Zyl, G.U., Preiser, W.
Published in Journal of virological methods (01.06.2008)

by Claassen, M., van Zyl, G.U., Korsman, S.N.J., Smit, L., Cotton, M.F., Preiser, W.
Published in Journal of clinical virology (01.09.2006)