Colley, D G Eosinophils and immune mechanisms. Eosinophil stimulation promoter (ESP): a lymphokine induced by specific antigen or phytohemagglutinin. [electronic resource] - Journal of immunology (Baltimore, Md. : 1950) May 1973 - 1419-23 p. digital Publication Type: Journal Article ISSN: 0022-1767 Subjects--Topical Terms: AnimalsAntigensCell MovementEosinophils--immunologyLectinsLymph Nodes--cytologyLymphocytes--immunologyMiceMice, Inbred CBAPeritoneum--cytologySchistosoma mansoni--immunology