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Saline cell-free extracts of normal pig liver, but not normal pig spleen, contain a noncytotoxic factor (or factors) capable of suppressing the blastogenic response of pig lymphocytes to stimulation(More)
It has been demonstrated that cell-free extracts of pig, rabbit and human liver, but not of other parenchymal organs, contain a factor or factors capable of suppressing the proliferative responses of(More)
Rabbit circulating leukocytes (WBC) have been shown to respond consistently in the allogeneic one-way mixed leukocyte culture reaction (MLR). Culture of the cells for 5--6 days in 5% CO2 in air in(More)