Toxicity of diclofenac to Gyps vultures von Swan, Gerry E, Cuthbert, Richard, Quevedo, Miguel, Green, Rhys E, Pain, Deborah J, Bartels, Paul, Cunningham, Andrew A, Duncan, Neil, Meharg, Andrew A, Lindsay Oaks, J, Parry-Jones, Jemima, Shultz, Susanne, Taggart, Mark A, Verdoorn, Gerhard, Wolter, Kerri

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Toxicovigilance: experience of the Tygerberg Poison Information Centre in context von Verdoorn, G H

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Persistent organochlorine pesticides detected in blood and tissue samples of vultures from different localities in South Africa von van Wyk, Erika, Bouwman, Henk, van der Bank, Herman, Verdoorn, Gerhard H, Hofmann, Dieter

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Genetic conservation of South African wattled cranes von Jones, Kenneth L., Rodwell, Lindy, McCann, Kevin I., Verdoorn, Gerhard H., Ashley, Mary V.

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Editor's choice von Veale, Joy H, Verdoorn, Gerhard

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Editor's choice von Verdoorn, Gerhard, Veale, Joy H

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Editor's choice von Veale, Joy H, Verdoorn, Gerhard

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Allozyme variation in four populations of African whitebacked vultures (Gyps africanus) and phylogenetic relationships between four vulture species from southern Africa von van Wyk, Erika, van der Bank, Herman, Verdoorn, Gerhard H.

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Dynamics of haematology and blood biochemistry in free-living African whitebacked vulture ( Pseudogyps africanus) nestlings von van Wyk, Erika, van der Bank, Herman, Verdoorn, Gerhard H.

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Pyrrolizidine alkaloids from seeds ofCrotalaria capensis von Verdoorn, Gerhard H., van Wyk, Ben-Erik

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Co-occurrence of hydroxylated lupanines and their corresponding angelate esters inPearsonia species von Verdoorn, Gerhard H., Wyk, Ben-Erik van

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Esters of quinolizidine alkaloids from the genus Pearsonia von Verdoorn, Gerhard H., van Wyk, Ben-Erik

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Oxypterine, a chlorinated alkaloid from Lotononis subsection Rostrata von Verdoorn, Gerhard H., Van Wyk, Ben-Erik

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Pyrrolizidine alkaloids from seeds of Crotalaria capensis von Verdoorn, Gerhard H., van Wyk, Ben-Erik

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Co-occurrence of hydroxylated lupanines and their corresponding angelate esters in Pearsonia species von Verdoorn, Gerhard H., Wyk, Ben-Erik van

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Alkaloids as taxonomic characters in the tribe Crotalarieae (Fabaceae) von Van Wyk, Ben-erik, Verdoorn, Gerhard H.

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The Addition of Lithium Salts of O -Alkyloximes to Aldehydes: Synthesis of β-Keto O -Alkyloximes von Shatzmiller, Shimon, Bahar, Eliezer, Bercovici, Sorin, Cohen, Alexander, Verdoorn, Gerhard

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The Addition of Lithium Salts of O-Alkyloximes to Aldehydes: Synthesis of ß-Keto O-Alkyloximes von Shatzmiller, Shimon, Bahar, Eliezer, Bercovici, Sorin, Cohen, Alexander, Verdoorn, Gerhard

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Alkaloidal variation in the genus Pearsonia von Van Wyk, Ben-Erik, Verdoorn, Gerhard H.

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Distribution and taxonomic significance of major alkaloids in the genus Podalyria von Van Wyk, Ben-Erik, Verdoorn, Gerhard H., Schutte, Anne Lise

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