title: Immune response of gnotobiotic piglets infected with mycoplasma hyorhinis.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D005856:Germ-Free Life; D009175:Mycoplasma Infections / Q000276:immunology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000276:immunology*