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	1.	Err or error. [electronic resource] by Knowlton, N P Producer: 20020226 In: Missouri medicine vol. 98 Availability: No items available. Save to lists Add to cart (remove)
	2.	Beta ray burns of human skin. [electronic resource] by KNOWLTON, N P LEIFER, E Producer: 20071227 In: Journal of the American Medical Association vol. 141 Availability: No items available. Save to lists Add to cart (remove)
	3.	The effect of X-rays on the mitotic activity of the adrenal gland, jejunum, lymph node and epidermis of the mouse. [electronic resource] by KNOWLTON, N P HEMPELMANN, L H Producer: 20071227 In: Journal of cellular and comparative physiology vol. 33 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	The nature of neutral red staining refractive particles in the lymphocytes of the blood of normal humans. [electronic resource] by HEMPELMANN, L H KNOWLTON, N P Producer: 20030501 In: Blood vol. 8 Availability: No items available. Save to lists Add to cart (remove)
	5.	The use of X-rays to determine the mitotic and intermitotic time of various mouse tissues. [electronic resource] by KNOWLTON, N P WIDNER, W R Producer: 20040930 In: Cancer research vol. 10 Availability: No items available. Save to lists Add to cart (remove)
	6.	The Effects of X-Rays on the Mitotic Activity of Mouse Epidermis. [electronic resource] by Knowlton, N P Hempelmann, L H Hoffman, J G Producer: 20100702 In: Science (New York, N.Y.) vol. 107 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Hexamethonium in the treatment of ulcerative colitis: report of a case. [electronic resource] by HURLEY, J W KNOWLTON, N P WALL, E D Producer: 20030501 In: Gastroenterology vol. 26 Availability: No items available. Save to lists Add to cart (remove)