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	1.	Two different paralysing preparations obtained from a homogenate of the wasp Microbracon hebetor (Say). [electronic resource] by Spanjer, W Grosu, L Piek, T Producer: 19771125 In: Toxicon : official journal of the International Society on Toxinology vol. 15 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Characterization of two paralysing protein toxins (A-MTX and B-MTX), isolated from a homogenate of the wasp Microbracon hebetor (Say). [electronic resource] by Visser, B J Labruyère, W T Spanjer, W Piek, T Producer: 19831021 In: Comparative biochemistry and physiology. B, Comparative biochemistry vol. 75 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Acetylcholine and an unidentified, muscle-contracting factor in the venom of the bumblebee, Bombus terrestris L. [electronic resource] by Piek, T Veldsema-Currie, R D Spanjer, W Mantel, P Producer: 19831217 In: Comparative biochemistry and physiology. C, Comparative pharmacology and toxicology vol. 75 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Interactions of cholinesterase inhibitors and glucocorticoids with ketamine and pentobarbitone-induced general anaesthesia in the rat: possible effects on central cholinergic activity. [electronic resource] by Leeuwin, R S van der Wal, J K Spanjer, W Producer: 19840813 In: British journal of pharmacology vol. 82 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Paralysis caused by the venom of the wasp, Microbracon gelechiae. [electronic resource] by Piek, T Spanjer, W Njio, K D Veenendaal, R L Mantel, P Producer: 19750116 In: Journal of insect physiology vol. 20 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Neurotoxic effects of wasp venoms--synaptic and behavioral aspects. [electronic resource] by Piek, T Kits, K S Spanjer, W Van Marle, J Van Wilgenburg, H Producer: 19850925 In: Neurotoxicology vol. 6 Availability: No items available. Save to lists Add to cart (remove)
	7.	Isolation and some biochemical properties of a paralysing toxin from the venom of the wasp Microbracon hebetor (Say). [electronic resource] by Visser, B J Spanjer, W De Klonia, H Piek, T van der Meer, C Producer: 19761230 In: Toxicon : official journal of the International Society on Toxinology vol. 14 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Release of mammotrophic activity by the rat placenta. [electronic resource] by Peters, J M van Marle, J Njio, K D Rödiger, G T Spanjer, W Producer: 19770929 In: Acta endocrinologica. Supplementum vol. 213 Availability: No items available. Save to lists Add to cart (remove)
	9.	Block of locust muscle glutamate receptors by delta-philanthotoxin occurs after receptor activations. [electronic resource] by Clark, R B Donaldson, P L Gration, K A Lambert, J J Piek, T Ramsey, R Spanjer, W Usherwood, P N Producer: 19821012 In: Brain research vol. 241 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Effect of 3-aminobenzamide on antigenic variation of Trypanosoma brucei. [electronic resource] by Cornelissen, A W Michels, P A Borst, P Spanjer, W Versluijs-Broers, J A Van der Meer, C Farzaneh, F Shall, S Producer: 19851218 In: Biochemical pharmacology vol. 34 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)