| Harthoorn, A.M., 1980. Exertional myoglobinaemia in black wildebeest and the influence of graduated exercise. Journal of the South African veterinary Association 51 (4): 265-270
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| Harthoorn, A.M., 1976. The chemical capture of animals: a guide to the chemical restraint of wild and captive animals. London, Bailliere Tindall, 416 pp, 26 plates, numerous figures and tables
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| Harthoorn, A.M., 1976. The chemical capture of animals: a guide to the chemical restraint of wild and captive animals. London, Bailliere Tindall, 416 pp, 26 plates, numerous figures and tables
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| Harthoorn, A.M.; Turkstra, J., 1976. The influence of seasonal changes in the determination of selenium in liver of various animals by neutron activation analysis and high-resolution gamma spectrometry. Journal of the South African veterinary Association 47 (3): 183-186, figs. 1-2, tables 1-3
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| Harthoorn, A.M., 1974. The effects of immobilising drugs on different species of animals. Fauna and Flora Transvaal 25: 12-13, 2 figures
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| Harthoorn, A.M., 1973. The drug immobilization of large herbivores other than antelopes: pp. 51-61
| In: Young, E. The capture and care of wild animals. Cape Town and Pretoria, Human and Rousseau: pp. i-xiii, 1-224 |
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| Harthoorn, A.M., 1970. The flying syringe: ten years of immobilising wild animals in Africa. London, Geoffrey Bles, pp. 1-287
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| Harthoorn, A.M., 1968. Problems and hazards of chemical restraint in wild animals. International Zoo Yearbook 8: 215-220
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| Harthoorn, A.M., 1966. Restraint of undomesticated animals. Journal of the American Veterinary Medicine Association 149 (7): 875-880, figs. 1-3
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| Harthoorn, A.M., 1966. Large animal restraint: a prerequisite for conservation and research. Africana, Nairobi 2 (7): 19-21
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| Bligh, J.; Harthoorn, A.M., 1965. Continuous radiotelemetric records of the deep body temperature of some unrestrained African mammals under near-natural conditions. Journal of Physiology 176: 145-162, figs. 1-11
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| Harthoorn, A.M., 1965. Application of pharmacological and physiological principles in restraint of wild animals. Wildlife Monographs 14: 3-78, figs. 1-7, tables 1-7
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| Harthoorn, A.M.; Bligh, J., 1965. The use of a new Oviparine derivative with potent morphine-like activity for the restraint of hoofed wild animals. Research in Veterinary Science 6: 290-299, table 1
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| Harthoorn, A.M., 1963. Ataractic, hypnotic and narcotic mixtures for the capture and handling of large wild animals. British Veterinary Journal 119: 47-63
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| Harthoorn, A.M., 1962. The capture and relocation of the white (square-lipped) rhinoceros, Ceratotherium simum simum, using drug-immobilizing techniques, at the Umfolozi Game reserve, Zululand, Natal. Lammergeyer 2 (2): 1-9, figs. 1-2, table 1
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| Harthoorn, A.M., 1962. Capture of the white (square-lipped) rhinoceros Ceratotherium simum simum (Burchell) with the use of drug immobilization technique. Canadian Journal of Comparative Medicine 26: 203-208, fig. 1, tables 1-3
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| Harthoorn, A.M., 1961. Methods of control of wild animals with the use of drugs, with special reference to therapeutic and veterinary aspects. International Zoo Yearbook 2: 302-307
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