G. M. Pieterse

Histological changes in the liver of Oreochromis mossambicus (Cichlidae) after exposure to cadmium and zinc

J C van Dyk, G. M. Pieterse, J.H.J. Van Vuren · Ecotoxicology and Environmental Safety · 2005 · 317 citations

Veterinary Medicine, Environmental Sciences, Toxicology +14

Histological evidence of intersex in feral sharptooth catfish (<i>Clarias gariepinus</i>) from an estrogen‐polluted water source in Gauteng, South Africa

I.E.J. Barnhoorn, G. M. Pieterse, J.H.J. Van Vuren · Environmental Toxicology · 2004 · 116 citations

Natural Resources, Animal Sciences, Fisheries +8

A histology-based fish health assessment of four commercially and ecologically important species from the Okavango Delta panhandle, Botswana

J C van Dyk, M. J. Marchand, Nico J. Smit et al. · African Journal of Aquatic Science · 2009 · 85 citations

Natural Resources, Fisheries, Zoology +13

Histopathological alterations in the liver of the sharptooth catfish <i>Clarias gariepinus</i> from polluted aquatic systems in South Africa

M. J. Marchand, J C van Dyk, G. M. Pieterse et al. · Environmental Toxicology · 2008 · 72 citations

Natural Resources, Fisheries, Toxicology +15

A histo-morphological study of the testis of the sharptooth catfish (<i>Clarias gariepinus</i>) as reference for future toxicological assessments

J C van Dyk, G. M. Pieterse · Journal of Applied Ichthyology · 2008 · 54 citations

Life Sciences, Toxicology, Zoology +13