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	1.	MEDLARS valuable resource for sanitarians. [electronic resource] by Langford, R E Producer: 19870731 In: Journal of environmental health vol. 49 Availability: No items available. Save to lists Add to cart (remove)
	2.	Abuse of OTC medications, prescription drugs raises concern. [electronic resource] by Langford, R E Producer: 20020503 In: Occupational health & safety (Waco, Tex.) vol. 70 Availability: No items available. Save to lists Add to cart (remove)
	3.	Reproductive function in relation to duty assignments among military personnel. [electronic resource] by Schrader, S M Langford, R E Turner, T W Breitenstein, M J Clark, J C Jenkins, B L Lundy, D O Simon, S D Weyandt, T B Producer: 19981015 In: Reproductive toxicology (Elmsford, N.Y.) vol. 12 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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