The ability of mononuclear leukocytes to respond to standard stimuli is measured based on the expression of activation antigens on mononuclear cell subclasses. In a preferred embodiment, a sample of mononuclear leukocytes is cultured for up to 24 hours with a standard stimulus known to activate such...http://www.google.ca/patents/US5445939?utm_source=gb-gplus-sharePatent US5445939 - Method for assessment of the mononuclear leukocyte immune system
