Khabib ON, Beloborodova NV, Osipov GA. Detektsiia molekuliarnykh markerov bakteriĭ v tkani klapanov serdtsa v norme i pri patologii s primeneniem metoda gazovoĭ khromatografii i mass-spektrometrii [Detection of bacterial molecular markers in the tissue of cardiac valves in normal and pathological states by gas chromatography and mass spectrometry]. Zh Mikrobiol Epidemiol Immunobiol. 2004 May-Jun;(3):62-8. Russian. PMID: 15346953.