@INPROCEEDINGS{Zahn-WCMPBE-1994,
author = {Zahn, {\relax Th}omas Peter and Nagel, Joachim H. and Agatston, Arthur
S.},
title = {Quantification of Aortic Stenosis Based on the Morphology of Doppler
Ultrasound Signals Using Image Processing Techniques},
booktitle = {World Congress on Medical Physics and Biomedical Engineering (WCMPBE)},
year = {1994},
pages = {973--977}
}