by Hiro, Takafumi, Leung, Cyril Y., De Guzman, Sarah, Caiozzo, Vincent J., Farvid, Ali R., Karimi, Houshang, Helfant, Richard H., Tobis, Jonathan M.
Published in The American heart journal (1997)

by CERCEK, B, FISHBEIN, M. C, FORRESTER, J. S, HELFANT, R. H, FAGIN, J. A
Published in Circulation research (01.06.1990)

by Barath, Peter, Fishbein, Michael C., Cao, Jin, Berenson, James, Helfant, Richard H., Forrester, James S.
Published in The American journal of cardiology (01.02.1990)

by Denton, Timothy A., Diamond, George A., Helfant, Richard H., Khan, Steven, Karagueuzian, Hrayr
Published in The American heart journal (01.12.1990)

by RUBINSTEIN, R. I, ASKENASE, A. D, THICKMAN, D, FELDMAN, M. S, AGARWAL, J. B, HELFANT, R. H
Published in Circulation (New York, N.Y.) (01.10.1987)

by Akaishi, Makoto, Weintraub, William S, Schneider, Ricky M, Klein, Lloyd W, Agarwal, Jai B, Helfant, Richard H
Published in Circulation research (01.02.1986)

by WEINTRAUB, WILLIAM S, HATTORI, SHIGEHIKO, AGARWAL, JAI B, BODENHEIMER, MONTY M, BANKA, VIDYA S, HELFANT, RICHARD H
Published in Circulation research (01.03.1981)

by Shah, P K, Helfant, R H
Published in Chest (01.09.1988)

by Klein, Lloyd W., Weintraub, William S., Agarwal, Jai B., Schneider, Ricky M., Seelaus, Paul A., Katz, Robert I., Helfant, Richard H.
Published in The American journal of cardiology (01.07.1986)

by Iskandrian, Abdulmassih S., Heo, Jaekyeong, Askenase, Alan, Segal, Bernard L., Helfant, Richard H.
Published in The American heart journal (01.10.1987)

by Akaishi, M, Schneider, R M, Mercier, R J, Agarwal, J B, Helfant, R H, Weintraub, W S
Published in The American journal of physiology (01.05.1986)

by Noma, S, Askenase, A D, Weintraub, W S, Klein, L W, Agarwal, J B, Helfant, R H
Published in The American journal of physiology (01.08.1988)

by Klein, Lloyd W., Agarwal, Jai B., Herlich, Michael B., Leary, Therese M., Helfant, Richard H.
Published in The American journal of cardiology (01.12.1987)

by Barath, P, Fishbein, MC, Cao, J, Berenson, J, Helfant, RH, Forrester, JS
Published in The American journal of pathology (01.09.1990)

by ROSENBERG, M. C, KLEIN, L. W, AGARWAL, J. B, STETS, G, HERMANN, G. A, HELFANT, R. H
Published in Circulation (New York, N.Y.) (01.02.1988)

by GESSMAN, L. J, AGARWAL, J. B, ENDO, T, HELFANT, R. H
Published in Circulation (New York, N.Y.) (01.09.1983)

by Banka, V S, Agarwal, J B, Bodenheimer, M M, Helfant, R H
Published in Circulation (New York, N.Y.) (01.11.1981)

by Weintraub, W S, Hattori, S, Agarwal, J B, Bodenheimer, M M, Banka, V S, Helfant, R H
Published in Circulation (New York, N.Y.) (01.01.1982)

by Schneider, Ricky M., Weintraub, William S., Klein, Lloyd W., Seelaus, Paul A., Agarwal, Jai B., Helfant, Richard H.
Published in The American journal of cardiology (15.04.1986)

by Banka, V S, Bodenheimer, M M, Shah, R, Helfant, R H
Published in Circulation (New York, N.Y.) (01.04.1976)