title: Prevention of intrinsic calcification in porcine and bovine xenograft materials.
mesh_terms: D000818:Animals; D001705:Bioprosthesis / Q000009:adverse effects*; D002114:Calcinosis / Q000517:prevention & control*; D002417:Cattle; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D051381:Rats; D013552:Swine