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	1.	Plasma, erythrocyte and leucocyte zinc levels in Down's syndrome. [electronic resource] by Milunsky, A Hackley, B M Halstead, J A Producer: 19710907 In: Journal of mental deficiency research vol. 14 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	A simplified method for plasma zinc determination by atomic absorption spectrophotometry. [electronic resource] by Hackley, B M Smith, J C Halsted, J A Producer: 19680214 In: Clinical chemistry vol. 14 Availability: No items available. Save to lists Add to cart (remove)
	3.	Plasma-zinc and copper in pregnancy and after oral contraceptives. [electronic resource] by Halsted, J A Hackley, B M Smith, J C Producer: 19680905 In: Lancet (London, England) vol. 2 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Plasma zinc and copper levels. [electronic resource] by Halsted, J A Smith, J C Hackley, B M MacBean, L Producer: 19691201 In: American journal of obstetrics and gynecology vol. 105 Availability: No items available. Save to lists Add to cart (remove)
	5.	National Marine Fisheries Service preliminary survey of selected seafoods for mercury, lead, cadmium, chromium, and arsenic content. [electronic resource] by Zook, E G Powell, J J Hackley, B M Emerson, J A Brooker, J R Knobl, G M Producer: 19760311 In: Journal of agricultural and food chemistry vol. 24 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Effect of ethambutol on the ocular zinc concentration in dogs. [electronic resource] by Figueroa, R Weiss, H Smith, J C Hackley, B M McBean, L D Swassing, C R Halsted, J A Producer: 19711201 In: The American review of respiratory disease vol. 104 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)