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Ultrasound in Medicine & Biology > 1998 > 24 > 6 > 903-910
Ultrasound in Medicine & Biology > 1997 > 23 > 9 > 1413-1420
Ultrasound in Medicine & Biology > 1998 > 24 > 6 > 903-910
Ultrasound in Medicine & Biology > 1997 > 23 > 9 > 1413-1420