by Mahmarian, John J., Boyce, Terri M., Goldberg, Ronald K., Cocanougher, Mary K., Roberts, Robert, Verani, Mario S.
Published in Journal of the American College of Cardiology (01.02.1990)

by Goldberg, Ronald K., Kleiman, Neal S., Minor, Steven T., Abukhalil, John, Raizner, Albert E.
Published in The American heart journal (1990)

by Goldberg, Ronald K., Lee, Richard W., Olajos, Marcey, Goldman, Steven
Published in Journal of the American College of Cardiology (01.12.1987)