Abstract
Buoyant density centrifugation of linear albumin gradients was used to fractionate suspensions of guinea-pig spleen cells. The fractions obtained were studied with respect to morphology and function of their cells. Using this technique it was shown that cells responsible for the production of sheep cell haemolysin were located in fractions distinct from those which could be used for the passive transfer of delayed tuberculoprotein hypersensitivity.
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Selected References
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