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The Journal of Experimental Medicine|May 1, 1974
Complete restoration of bursa-dependent immune system after transplantation of semiallogeneic stem cells into immunodeficient chicksP Toivanen, A Toivanen, O VainioTransplantation|August 1, 1986
Mechanisms of transplantation tolerance in B-cell-chimeric chickens. Impairment of tolerance by T cell growth factorL Lehtonen, O Vainio, P ToivanenDevelopmental and Comparative Immunology|January 1, 1989
Ontogeny of alloreactivity in the chicken as measured by mixed lymphocyte reactionL Lehtonen, O Vainio, P ToivanenPoultry Science|July 1, 1994
Central role of CD4+ T cells in avian immune responseT P Arstila, O Vainio, O LassilaScandinavian Journal of Immunology|September 1, 1994
Evolutionarily conserved function of CD28 in alpha beta T cell activationT P Arstila, O Vainio, O LassilaDevelopmental and Comparative Immunology|January 1, 1990
In vitro organ culture of embryonic bursa of FabriciusJ S Nowak, O Vainio, O LassilaEuropean Journal of Immunology|August 1, 1993
Helper activity of CD4+ alpha beta T cells is required for the avian gamma delta T cell responseT P Arstila, P Toivanen, O LassilaCellular Immunology|April 15, 1995
Primed avian gamma delta T cells respond to mycobacterial antigens, but show no preference for the 65-kDa heat shock proteinT P Arstila, P Toivanen, O LassilaScandinavian Journal of Immunology|August 1, 1992
Involvement of the avian mu heavy chain in recolonization of the bursa of FabriciusE Palojoki, O Lassila, S Jalkanen, et al.Journal of Immunology (Baltimore, Md. : 1950)|January 1, 1983
Development of natural killer cell function in the human fetusJ Uksila, O Lassila, T Hirvonen, et al.Pageof 38