J. V. Dyk

A histology-based fish health assessment of the tigerfish, **Hydrocynus vittatus** from a DDT-affected area

Nico J. Smit, A. Covaci, V. Wepener, 2011 .

Histological alterations in the testes and ovaries of the sharptooth catfish (Clarias gariepinus) from an urban nature reserve in South Africa

I. Barnhoorn, G. M. Pieterse, J. V. Dyk, 2010 .

Immunohistochemical study of nuclear changes associated with male germ cell death and spermiogenesis

M. Bornman, C. Jager, Sean Mark Patrick, 2009, Journal of Molecular Histology.

DDT for malaria control: effects in indicators and health risk.

N. Aneck-Hahn, B. Genthe, K. Brink, 2010 .

A histo‐morphological study of the testis of the sharptooth catfish (Clarias gariepinus) as reference for future toxicological assessments

G. M. Pieterse, J. V. Dyk, J. C. V. Dyk, 2008 .

Cholangioma in the Mozambique tilapia, Oreochromis mossambicus (Peters)

J. V. Dyk, J. C. V. Dyk, 2014 .