title: Radioprotective effect of immunization by phytourease: study with germ-free mice.
mesh_terms: D000818:Animals; D000906:Antibodies; D000917:Antibody Formation; D005856:Germ-Free Life; D007114:Immunization; D008297:Male; D051379:Mice; D008809:Mice, Inbred C3H; D010944:Plants / Q000201:enzymology; D011833:Radiation Injuries, Experimental / Q000276:immunology; D011837:Radiation-Protective Agents / Q000494:pharmacology*; D014510:Urease / Q000494:pharmacology*
chemical_list: D000906:Antibodies; D011837:Radiation-Protective Agents; D014510:Urease