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    Echocardiographic observation on pulmonary arterial diastolic pressure and resistance before and after oxygen inhalation in 30 newborns

    Using the echocardiographic technique before and after oxygen inhalation, we observed pulmonary and aortic valves of 30 normal newborns within 24 hrs after birth. Right ventricular pre-ejection period/ right v...

    Tang Taiqin Postgraduate, Duan Shengfu, Zhang Qing** in Acta Academiae Medicinae Wuhan (1982)