title: Immunization of guinea pigs against leukemia by scarification of skin with leukemic cell extracts.
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D006358:Hot Temperature; D007114:Immunization; D007117:Immunization, Secondary; D007938:Leukemia / Q000276:immunology / Q000517:prevention & control*; D012867:Skin / Q000276:immunology*; D014020:Tissue Extracts
chemical_list: D014020:Tissue Extracts