title: RNA extracts with polyadenylic acid sequences transfer specific sensitivity for a low molecular weight antigen (MW 486).
mesh_terms: D000818:Animals; D001483:Base Sequence; D004306:Dose-Response Relationship, Immunologic; D000939:Epitopes; D006168:Guinea Pigs; D008970:Molecular Weight; D011061:Poly A; D012313:RNA / Q000276:immunology*
chemical_list: D000939:Epitopes; D011061:Poly A; D012313:RNA