title: Chemotactic factors for eosinophils in soluble extracts of L3 stages of Ostertagia ostertagi.
mesh_terms: D000818:Animals; D002417:Cattle; D002634:Chemotaxis, Leukocyte; D004804:Eosinophils / Q000166:cytology / Q000502:physiology*; D010028:Ostertagia / Q000502:physiology*; D014020:Tissue Extracts
chemical_list: D014020:Tissue Extracts