by Patt, Howard H., Clift, John V., Loh, Paul B., Roa, Juanito C., Wexler, Jack, Seligman, Arnold M.
Published in The Journal of thoracic and cardiovascular surgery (01.04.1960)

by PATT, H H, GOLBERG, M, CLIFT, J V, LOURVANIJ, B
Published in Journal of thoracic surgery (01.06.1958)