7Hergel T,Wihelm J,Novotna J,et al.A possible role of the oxidant tissue injury in the development of hypoxic pulmonary hypertension.Physiol Res,2000,49:493-501.
8Harjai KJ.Potential new cardiovascular rick factors:Left ventricular hypertrophy,homocystein(a),triglys-erids,oxidative stress and fibrinogen.Ann Lntern Med.1999,131(5):376-386.