title: Q fever endocarditis involving a porcine bioprosthesis.
mesh_terms: D001705:Bioprosthesis / Q000009:adverse effects*; D004696:Endocarditis / Q000209:etiology; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011778:Q Fever / Q000209:etiology*