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Maternal left ventricular diastolic and systolic long-axis function during normal pregnancy.
Bamfo JE, Kametas NA, Nicolaides KH, Chambers JB.
Eur J Echocardiogr 2007;8:360-368. -
Reference ranges for tissue Doppler measures of maternal systolic and diastolic left ventricular function.
Bamfo JE, Kametas NA, Nicolaides KH, Chambers JB.
Ultrasound Obstet Gynecol 2007;29:414-20.