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	1.	DNA topoisomerase I from human placenta. [electronic resource] by Holden, J A Rolfson, D H Low, R L Producer: 19900917 In: Biochimica et biophysica acta vol. 1049 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Human DNA topoisomerase II: evaluation of enzyme activity in normal and neoplastic tissues. [electronic resource] by Holden, J A Rolfson, D H Wittwer, C T Producer: 19900529 In: Biochemistry vol. 29 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	The distribution of immunoreactive topoisomerase II Protein in human tissues and neoplasms. [electronic resource] by Holden, J A Rolfson, D H Wittwer, C T Producer: 19920921 In: Oncology research vol. 4 Availability: No items available. Save to lists Add to cart (remove)
	4.	Phase-variation of pyelonephritis-associated pili in Escherichia coli: evidence for transcriptional regulation. [electronic resource] by Blyn, L B Braaten, B A White-Ziegler, C A Rolfson, D H Low, D A Producer: 19890629 In: The EMBO journal vol. 8 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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