“ SP … [3H]leucine uptake by T lymphocytes, phagocytosis of yeast particles by polymorphonuclear cells, H,O, production and chemotaxis of human leukocyte?-5 By using both … increases Fc IgG and Fc IgE receptor expression on the surface of human eosinophils and antibody (1gG)dependent cytotoxicity against nucleated target cells.”