@article{9ea77070fde645419e8d2534b28ddd7b,
title = "Prenatal diagnosis of aortic stenosis and mitral regurgitation by color doppler echocardiography",
keywords = "aortic stenosis, color doppler echocardiography, mitral valve regurgitation, prenatal diagnosis, twin-twin transfusion syndrome",
author = "M. Tanaka and M. Natori and H. Kohno and H. Ishimoto and T. Kobayashi and S. Nozawa",
year = "1993",
month = jan,
day = "1",
language = "English",
volume = "20",
pages = "21--24",
journal = "Japanese Journal of Medical Ultrasonics",
issn = "0287-0592",
number = "4",
}