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	1.	The effects of cobalt, acetates, ascorbic acid, and cholesterol on growth and glycoside biosynthesis in digitalis purpurea. [electronic resource] by TSAO, D P N YOUNGKEN, H W Producer: 20030501 In: Journal of the American Pharmaceutical Association. American Pharmaceutical Association vol. 41 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Certain chemical plant growth regulators and alkaloid formation in Datura stramonium L. [electronic resource] by TSAO, D P N YOUNGKEN, H W Producer: 20071227 In: Journal of the American Pharmaceutical Association. American Pharmaceutical Association vol. 38 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Studies of the effects of season, temperature, and plant age on glycoside production in Digitalis purpurea. [electronic resource] by TSAO, D P N YOUNGKEN, H W Producer: 20040215 In: Journal of the American Pharmaceutical Association. American Pharmaceutical Association vol. 41 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	The influence of a continuous injection of digitalis tincture on its lethal dose in pigeons. [electronic resource] by TSAO, D P N FARAH, A YOUNGKEN, H W Producer: 20030501 In: Journal of the American Pharmaceutical Association. American Pharmaceutical Association vol. 42 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	The effects of freezing temperature storage on digitalis leaf glycoside yields. [electronic resource] by YOUNGKEN, H W DJAO, E H TSAO, D P N Producer: 20040215 In: Journal of the American Pharmaceutical Association. American Pharmaceutical Association vol. 40 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)