Effects of High Intensity Sound on Electrical Conduction in Muscle - Walter Welkowitz (1954)

Control aspects of intraaortic balloon pumping: an overview. - Walter Welkowitz; John K.-J. Li (Proc. IEEE, 1988)

Detection of coronary occlusions using autoregressive modeling of diastolic heart sounds. - Metin Akay; John L. Semmlow; Walter Welkowitz; Michele D. Bauer; John B. Kostis (IEEE Trans. Biomed. Eng., 1990)

Noninvasive detection of coronary stenoses before and after angioplasty using eigenvector methods. - Metin Akay; John L. Semmlow; Walter Welkowitz; Michele D. Bauer; John B. Kostis (IEEE Trans. Biomed. Eng., 1990)

Design and control of the atrio-aortic left ventricular assist device based on O2 consumption. - Gary M. Drzewiecki; James J. Pilla; Walter Welkowitz (IEEE Trans. Biomed. Eng., 1990)

Modeling sound generation in stenosed coronary arteries. - Jin-Zhao Wang; Bing Tie; Walter Welkowitz; John L. Semmlow; John B. Kostis (IEEE Trans. Biomed. Eng., 1990)

A closed-loop control scheme for intraaortic balloon pumping. - John A. Zelano; John K.-J. Li; Walter Welkowitz (IEEE Trans. Biomed. Eng., 1990)

Noninvasive estimation of cardiac output. - Walter Welkowitz; Qing Cui; Yun Qi; John B. Kostis (IEEE Trans. Biomed. Eng., 1991)

Application of adaptive filters to noninvasive acoustical detection of coronary occlusions before and after angioplasty. - Metin Akay; Yasemin M. Akay; Walter Welkowitz; John L. Semmlow; John B. Kostis (IEEE Trans. Biomed. Eng., 1992)

Noninvasive acoustical detection of coronary artery disease: a comparative study of signal processing methods. - Yasemin M. Akay; Metin Akay; Walter Welkowitz; John L. Semmlow; John B. Kostis (IEEE Trans. Biomed. Eng., 1993)

Accelerometer type cardiac transducer for detection of low-level heart sounds. - Vasant Padmanabhan; John L. Semmlow; Walter Welkowitz (IEEE Trans. Biomed. Eng., 1993)

Investigating the effects of vasodilator drugs on the turbulent sound caused by femoral artery stenosis using short-term Fourier and wavelet transform methods. - Metin Akay; Yasemin M. Akay; Walter Welkowitz; Shlomo Lewkowicz (IEEE Trans. Biomed. Eng., 1994)