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	1.	Induction of antibody-dependent and nonspecific tumor killing in human monocytic leukemia cells by nonlymphocyte factors and phorbol ester. [electronic resource] by Ralph, P Williams, N Moore, M A Litcofsky, P B Producer: 19830107 In: Cellular immunology vol. 71 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Expression and induction in vitro of macrophage differentiation antigens on murine cell lines. [electronic resource] by Ralph, P Ho, M K Litcofsky, P B Springer, T A Producer: 19830127 In: Journal of immunology (Baltimore, Md. : 1950) vol. 130 Availability: No items available. Save to lists Add to cart (remove)
	3.	Human B cell-inducing factor(s) for production of IgM, IgG and IgA: independence from IL 2. [electronic resource] by Ralph, P Welte, K Levi, E Nakoinz, I Litcofsky, P B Mertelsmann, R H Moore, M A Producer: 19840424 In: Journal of immunology (Baltimore, Md. : 1950) vol. 132 Availability: No items available. Save to lists Add to cart (remove)
	4.	Lymphokine inducing "terminal differentiation" of the human monoblast leukemia line U937: a role for gamma interferon. [electronic resource] by Ralph, P Harris, P E Punjabi, C J Welte, K Litcofsky, P B Ho, M K Rubin, B Y Moore, M A Springer, T A Producer: 19840127 In: Blood vol. 62 Availability: No items available. Save to lists Add to cart (remove)

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