by Walsh, J R, Starr, A, Ritzmann, L W
Published in Circulation (New York, N.Y.) (01.05.1969)

by BRISTOW, J D, MCCORD, C W, STARR, A, RITZMANN, L W, GRISWOLD, H E
Published in Circulation (New York, N.Y.) (01.04.1964)

by BOICOURT, O W, RITZMANN, L W, CHASE, J D, STARR, A, McCORD, C W
Published in Circulation (New York, N.Y.) (01.12.1962)

by Mounsey, J. P. D., Ritzmann, L. W., Selverstone, N. J.
Published in British Heart Journal (01.10.1952)

by Mounsey, J. P. D., Ritzmann, L. W., Selverstone, N. J., Briscoe, W. A., McLemore, G. A.
Published in British Heart Journal (01.04.1952)

by Kloster, F E, Kremkau, E L, Ritzmann, L W, Rahimtoola, S H, Rösch, J, Kanarek, P H
Published in The New England journal of medicine (25.01.1979)

by Selden, R, Neill, W A, Ritzmann, L W, Okies, J E, Anderson, R P
Published in The New England journal of medicine (25.12.1975)

by McAnulty, J H, Rahimtoola, S H, Murphy, E S, Kauffman, S, Ritzmann, L W, Kanarek, P, DeMots, H
Published in The New England journal of medicine (03.08.1978)

by Neill, William A., Ritzmann, Leonard W., Selden, Richard
Published in The American heart journal (01.10.1977)

by Hecht, Hans H., Ritzymann, Leonard W.
Published in The American journal of medicine (01.03.1949)

by Neill, W A, Ritzmann, L W, Okies, J E, Anderson, R P, Selden, R
Published in Cardiovascular clinics (1977)

by Kloster, F E, Crislip, R L, Bristow, J D, Herr, R H, Ritzmann, L W, Griswold, H E
Published in Circulation (New York, N.Y.) (01.09.1965)

by Kloster, F E, Kremkau, E L, Rahimtoola, S H, Ritzmann, L W, Griswold, H E, Neill, W A, Rösch, J, Starr, A
Published in Cardiovascular clinics (1977)

by Adrouny, Zaven A., Sutherland, Donald W., Griswold, Herbert E., Ritzmann, Leonard W.
Published in The American heart journal (01.03.1963)

by Goldberg, Leonard M., Ritzmann, Leonard W.
Published in The American journal of medicine (01.11.1958)

by Bing, R J, Bender, S R, Dunn, M I, Fry, G A, Fuller, W M, Liu, S C, Miller, H S, Moses, J W, Ritzmann, L W, Segal, J P, Shugoll, G I, Tillmanns, H, Wallace, A
Published in Clinical pharmacology and therapeutics (01.07.1974)

by BRISTOW, J D, GOLDBERG, L M, PARKER, B M, RITZMANN, L W
Published in The American heart journal (01.12.1959)

by Walsh, J R, Brodeur, M T, Ritzmann, L W, Sutherland, D W, Starr, A
Published in JAMA : the journal of the American Medical Association (31.10.1966)

by Ritzmann, L W, Bangs, C C, Coiner, D, Custis, J M, Walsh, J R
Published in Archives of internal medicine (1960) (01.12.1973)

by GOLDBERG, LEONARD M., BRISTOW, J. DAVID, PARKER, BRENT M., RITZMANN, LEONARD W.
Published in Circulation (New York, N.Y.) (01.04.1960)