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	1.	Pertussis cases in Pennsylvania on increase. [electronic resource] by Gens, R D Producer: 19830715 In: Pennsylvania medicine vol. 86 Availability: No items available. Save to lists Add to cart (remove)
	2.	Neonatal hematopoiesis: a commentary. [electronic resource] by GENS, R D Producer: 20000701 In: The American journal of the medical sciences vol. 237 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Transfusion reactions due to leukocyte agglutinins. [electronic resource] by GENS, R D Producer: 19981101 In: Pediatrics vol. 27 Availability: No items available. Save to lists Add to cart (remove)
	4.	Homozygous hemoglobin C disease; relation to military service. [electronic resource] by GENS, R D Producer: 20020501 In: United States Armed Forces medical journal vol. 8 Availability: No items available. Save to lists Add to cart (remove)
	5.	Hemophilia and the Pennsylvania program. [electronic resource] by Lewis, J H Gens, R D Producer: 19741228 In: Pennsylvania medicine vol. 77 Availability: No items available. Save to lists Add to cart (remove)
	6.	Meningoencephalitis after influenza inoculation. [electronic resource] by Gens, R D Beecham, H J Producer: 19781027 In: The New England journal of medicine vol. 299 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Severe local reactions to live measles virus vaccine following an immunization program. [electronic resource] by Stetler, H C Gens, R D Seastrom, G R Producer: 19830811 In: American journal of public health vol. 73 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Indochinese refugees pose new health problems. [electronic resource] by McCarthy, M A Witte, E J Gens, R D Producer: 19800625 In: Pennsylvania medicine vol. 83 Availability: No items available. Save to lists Add to cart (remove)