VANARSDEL P P, SELLS C J
Science. 1963 Sep 20;141(3586):1190-1. doi: 10.1126/science.141.3586.1190.
With histamine release as an indicator, consistent passive sensitization of normal human leukocytes to specific anligen could be achieved with human serum, fresh or stored at -70 degrees C, from allergic individuals. With certain sera, dilution slowed the rate of sensitization but increased eventual histamine release.