title: Effect of host immunity on the antigenic strength of primary tumors.
mesh_terms: D000367:Age Factors; D000818:Animals; D000951:Antigens, Neoplasm / Q000032:analysis*; D008748:Methylcholanthrene; D051379:Mice; D012513:Sarcoma, Experimental / Q000139:chemically induced* / Q000276:immunology
chemical_list: D000951:Antigens, Neoplasm; D008748:Methylcholanthrene