The effects of toxicants on the haematology of Labeo umbratus (Teleostei: Cyprinidae)VAN VUREN, J. H. J.Comparative biochemistry and physiology. C. Comparative pharmacology. 1986, Vol 83, Num 1, pp 155-159, issn 0306-4492Article

The role of the blood-testis barrier in the chemical composition of the seminal plasma of the freshwater teleost Clarias gariepinusSTEYN, G. J; VAN VUREN, J. H. J.Comparative biochemistry and physiology. A. Comparative physiology. 1986, Vol 83, Num 3, pp 421-425, issn 0300-9629Article

The fertilizing capacity of cryopreserved sharptooth catfish (Clarias gariepinus) spermSTEYN, G. J; VAN VUREN, J. H. J.Aquaculture (Amsterdam). 1987, Vol 63, Num 1-4, pp 187-193, issn 0044-8486Article

Some ultrastructural observations of Leydig and Sertoli cells in the testis of Tilapia rendalli following induced testicular recrudescenceVAN VUREN, J. H. J; SOLEY, J. T.Journal of morphology (1931). 1990, Vol 206, Num 1, pp 57-63, issn 0362-2525, 7 p.Article

Physical composition of the semen of Barbus aeneus, the smallmouth yellowfish (Cyprinidae)VLOK, W; VAN VUREN, J. H. J.Comparative biochemistry and physiology. A. Comparative physiology. 1988, Vol 90, Num 3, pp 387-389, issn 0300-9629Article

Bioconcentration of atrazine in the banded tilapia, Tilapia sparrmaniiDU PREEZ, H. H; VAN VUREN, J. H. J.Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology. 1992, Vol 101, Num 3, pp 651-655, issn 0742-8413Article

Physical characteristics of the blood plasma of labeo ruddi and labeo rosae (pisces:cyprinidae)VILJOEN, B. C. S; VAN VUREN, J. H. J.Comparative biochemistry and physiology. A. Comparative physiology. 1991, Vol 100, Num 4, pp 873-875, issn 0300-9629Article

Determination of sediment quality in the Nyl river system, limpopo province, South AfricaGREENFIELD, R; VAN VUREN, J. H. J; WEPENER, V et al.Water S.A. 2007, Vol 33, Num 5, pp 693-700, issn 0378-4738, 8 p.Article

Comparative studies on the uptake and effects of cadmium and zinc on the cellular energy allocation of two freshwater gastropodsMOOLMAN, L; VAN VUREN, J. H. J; WEPENER, V et al.Ecotoxicology and environmental safety (Print). 2007, Vol 68, Num 3, pp 443-450, issn 0147-6513, 8 p.Article

Toxic effects of zinc and iron on the routine oxygen consumption of Tilapia sparrmanii (Cichlidae)GROBLER, E; DU PREEZ, H. H; VAN VUREN, J. H. J et al.Comparative biochemistry and physiology. C. Comparative pharmacology. 1989, Vol 94, Num 1, pp 207-214, issn 0306-4492, 8 p.Article

Concentrations of zinc in Barbus marequensis from the lower Olifants River, Mpumalanga, South AfricaSEYMORE, T; DU PREEZ, H. H; VAN VUREN, J. H. J et al.Hydrobiologia (The Hague). 1996, Vol 332, Num 3, pp 141-150, issn 0018-8158Article

The effect of hexavalent chromium at different pH value on the haematology of Tilapia sparrmanii (Cichlidae)WEPENER, V; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology. 1992, Vol 101, Num 2, pp 375-381, issn 0742-8413Article

Effect of gold-mine related operations on the physical and chemical characteristics of sediment textureVENTER, A. J. A; VAN VUREN, J. H. J.Water S.A. 1997, Vol 23, Num 3, pp 249-256, issn 0378-4738Article

Physical composition of the semen of Labeo ruddi and Labeo rosae (pisces : cyprinidae)VILJOEN, B. C. S; VAN VUREN, J. H. J.Comparative biochemistry and physiology. A. Comparative physiology. 1991, Vol 98, Num 3-4, pp 459-462, issn 0300-9629, 4 p.Article

Metal concentrations in Clarias gariepinus and Labeo umbratus from the Olifants and Klein Olifants River, Mpumalanga, South Africa: Zinc, copper, manganese, lead, chromium, nickel, aluminium and ironCOETZEE, L; DU PREEZ, H. H; VAN VUREN, J. H. J et al.Water S.A. 2002, Vol 28, Num 4, pp 433-448, issn 0378-4738, 16 p.Article

Uptake and distribution of a copper, iron and zinc mixture in gill, liver and plasma of a freshwater teleost, Tilapia sparrmaniiWEPENER, V; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Water S.A. 2001, Vol 27, Num 1, pp 99-108, issn 0378-4738Article

Effect of manganese and iron at a neutral and acidic pH on the hematology of the banded tilapia (Tilapia sparrmanii)WEPENER, V; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Bulletin of environmental contamination and toxicology. 1992, Vol 49, Num 4, pp 613-619, issn 0007-4861Article

Zinc effects on the embryos and larvae of the sharptooth catfish, Clarias gariepinus (Burchell, 1822)VILJOEN, A; STEYN, G. J; VAN VUREN, J. H. J et al.Bulletin of environmental contamination and toxicology. 2003, Vol 70, Num 5, pp 1022-1027, issn 0007-4861, 6 p.Article

Bioaccumulation of copper and zinc in Oreochromis mossambicus and Clarias gariepinus, from the Olifants River, Mpumalanga, South AfricaKOTZE, P; PREEZ, H. H. D; VAN VUREN, J. H. J et al.Water S.A. 1999, Vol 25, Num 1, pp 99-110, issn 0378-4738Article

Preliminary laboratory investigation of the bioconcentration, of zinc and iron in selected tissues of the banded tilapia, Tilapia sparrmanii (Cichlidae)DU PREEZ, H. H; VAN RENSBURG, E; VAN VUREN, J. H. J et al.Bulletin of environmental contamination and toxicology. 1993, Vol 50, Num 5, pp 674-681, issn 0007-4861Article

Effects of chromium during pH change on blood coagulation in Tilapia sparrmanii (Cichlidae)GEY VAN PITTIUS, M; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology. 1992, Vol 101, Num 2, pp 371-374, issn 0742-8413Article

Histological changes in the liver of Oreochromis mossambicus (Cichlidae) after exposure to cadmium and zincVAN DYK, J. C; PIETERSE, G. M; VAN VUREN, J. H. J et al.Ecotoxicology and environmental safety (Print). 2007, Vol 66, Num 3, pp 432-440, issn 0147-6513, 9 p.Article

The effect of copper on the blood chemistry of Clarias gariepinus (Clariidae)VAN VUREN, J. H. J; VAN DER MERWE, M; DU PREEZ, H. H et al.Ecotoxicology and environmental safety (Print). 1994, Vol 29, Num 2, pp 187-199, issn 0147-6513Article

Bioconcentration of atrazine, zinc and iron in the blood of Tilapia sparrmanii (Cichlidae)GROBLER-VAN HEERDEN, E; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology. 1991, Vol 100, Num 3, pp 629-633, issn 0742-8413Article

The freshwater river crab, Potamonautes warreni, as a bioaccumulative indicator of iron and manganese pollution in two aquatic systemsSANDERS, M. J; DU PREEZ, H. H; VAN VUREN, J. H. J et al.Ecotoxicology and environmental safety (Print). 1998, Vol 41, Num 2, pp 203-214, issn 0147-6513Article