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	1.	Is look-back doing the job? [electronic resource] by Busch, M P Samson, S M Perkins, H A Producer: 19871228 In: Transfusion vol. 27 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Declining efficacy of AIDS case list cross-referencing in human immunodeficiency virus look-back: 1981 through 1992. [electronic resource] by Samson, S M Edmiston, R K Busch, M P Perkins, H A Producer: 19940314 In: Transfusion vol. 34 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Analysis of the role of cysteine residues in isopenicillin N synthetase activity by site-directed mutagenesis. [electronic resource] by Samson, S M Chapman, J L Belagaje, R Queener, S W Ingolia, T D Producer: 19870918 In: Proceedings of the National Academy of Sciences of the United States of America vol. 84 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Risk of human immunodeficiency virus (HIV) transmission by blood transfusions before the implementation of HIV-1 antibody screening. The Transfusion Safety Study Group. [electronic resource] by Busch, M P Young, M J Samson, S M Mosley, J W Ward, J W Perkins, H A Producer: 19910214 In: Transfusion vol. 31 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Heterosexual transmission of human immunodeficiency virus type 1 from transfusion recipients to their sex partners. [electronic resource] by O'Brien, T R Busch, M P Donegan, E Ward, J W Wong, L Samson, S M Perkins, H A Altman, R Stoneburner, R L Holmberg, S D Producer: 19940712 In: Journal of acquired immune deficiency syndromes vol. 7 Availability: No items available. Save to lists Add to cart (remove)
	6.	Isolation, sequence determination and expression in Escherichia coli of the isopenicillin N synthetase gene from Cephalosporium acremonium. [electronic resource] by Samson, S M Belagaje, R Blankenship, D T Chapman, J L Perry, D Skatrud, P L VanFrank, R M Abraham, E P Baldwin, J E Queener, S W Producer: 19851218 In: Nature vol. 318 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	The natural history of transfusion-associated infection with human immunodeficiency virus. Factors influencing the rate of progression to disease. [electronic resource] by Ward, J W Bush, T J Perkins, H A Lieb, L E Allen, J R Goldfinger, D Samson, S M Pepkowitz, S H Fernando, L P Holland, P V Producer: 19891019 In: The New England journal of medicine vol. 321 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)