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	1.	Extraction of acetaminophen and theophylline from post-mortem tissues and urine for high-performance liquid chromatographic analysis. [electronic resource] by Mathis, D F Budd, R D Producer: 19880915 In: Journal of chromatography vol. 439 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	GLC screening and confirmation of barbiturates in post mortem blood specimens. [electronic resource] by Budd, R D Mathis, D F Producer: 19830407 In: Journal of analytical toxicology vol. 6 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	GLC/TLC analysis of codeine and morphine in urine via derivatization techniques. [electronic resource] by Mathis, D F Budd, R D Producer: 19801027 In: Clinical toxicology vol. 16 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	TLC analysis of urine for benzoylecgonine and norpropoxyphene. [electronic resource] by Budd, R D Mathis, D F Yang, F C Producer: 19800928 In: Clinical toxicology vol. 16 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Screening and confirmation of opiates by thin-layer chromatography. [electronic resource] by Budd, R D Mathis, D F Leung, W J Producer: 19800928 In: Clinical toxicology vol. 16 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)