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	1.	Fluctuations in the estrogen level throughout the menstrual cycle of one woman. [electronic resource] by LITTRELL, J L TOM, J Y S Producer: 20100318 In: Endocrinology vol. 40 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Use of the immature guinea-pig for estrogen assay. [electronic resource] by LITTRELL, J L TOM, J HARTMAN, C G Producer: 20101112 In: Federation proceedings vol. 5 Availability: No items available. Save to lists Add to cart (remove)
	3.	Time of opening of the vaginal closure membrane in weanling guinea pigs in relation to concentration of estrogen. [electronic resource] by LITTRELL, J L TOM, J HARTMAN, C G Producer: 20110128 In: The Anatomical record vol. 94 Availability: No items available. Save to lists Add to cart (remove)
	4.	The weaning guinea pig as test object for estrogen assays. [electronic resource] by HARTMAN, C G LITTRELL, J L TOM, J Producer: 20101028 In: Endocrinology vol. 39 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Comparative activities of thyroxine and its monosodium and disodium salts. [electronic resource] by LITTRELL, J L KELSEY, C DOLGIN, A FEVOLD, H L Producer: 20030501 In: Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.) vol. 81 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Regeneration in the cord of spinal monkeys. [electronic resource] by WINDLE, W F LITTRELL, J L SMART, J O JORALEMON, J Producer: 20030501 In: Neurology vol. 6 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)