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	1.	Equality in survival of X and Y chromosome-bearing human spermatozoa. [electronic resource] by Downing, D C Black, D L Producer: 19761203 In: Fertility and sterility vol. 27 Availability: No items available. Save to lists Add to cart (remove)
	2.	Observations on the equilibrium between cis- and transstilbene. [electronic resource] by DOWNING, D C WRIGHT, G F Producer: 20101028 In: Journal of the American Chemical Society vol. 68 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Nitrolysis of hexamethylenetetramine; preparation of pure cyclonite. [electronic resource] by BROCKMAN, F J DOWNING, D C WRIGHT, G F Producer: 20071227 In: Canadian journal of research vol. Sect. B 27 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	The effect of ion-exchange column chromatography on separation of X and Y chromosome-bearing human spermatozoa. [electronic resource] by Downing, D C Black, D L Carey, W H Delahanty, D L Producer: 19761203 In: Fertility and sterility vol. 27 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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