title: [Tears in fibrotic heart valves and the mechanism of their development in acquired heart defect. Case report].
mesh_terms: D000328:Adult; D001021:Aortic Valve; D005260:Female; D006341:Heart Rupture / Q000209:etiology*; D006349:Heart Valve Diseases / Q000150:complications*; D006801:Humans; D008943:Mitral Valve; D012422:Rupture, Spontaneous; D012598:Sclerosis; D013927:Thrombosis / Q000150:complications*
vernacular_title: Otwory w zwłókniałych zastawkach i mechanizm ich powstawania w nabytej wadzie serca. Opis przypadku.