1. The opercular approach to the pituitary;Abramowitz;Science,1937
2. The design and development of an alternating current electronarcosis unit for use with freshwater fish;Barham;University of Zululand Publications,1987
3. The use of electronarcosis as anaesthetic in the cichlid, Oreochromis mossambicus (Peters). I. General experimental procedures and the role of fish length on the narcotizing effects of electric currents;Barham;Onderstepoort J. vet. Res.,1987
4. The use of electronarcosis as anaesthetic in the cichlid, Oreochromis mossambicus (Peters). II. The effects of changing physical and electrical parameters on the narcotizing ability of alternating current;Barham;Onderstepoort J. vet. Res.,1988
5. The use of electronarcosis as anaesthetic in the cichlid, Oreochromis mossambicus (Peters). III. The effects of changing physical and electrical parameters on the narcotizing ability of half-wave rectified currents;Barham;Onderstepoort J. vet. Res.,1989