by Spies, J B, Hricak, H, Slemmer, T M, Zeineh, S, Alpers, C E, Zayat, P, Lue, T F, Kerlan, Jr, R K, Madrazo, B L, Sandler, M A
Published in American journal of roentgenology (1976) (01.02.1984)

by Magilligan, Donald J., Ravipati, Seetaramaiah, Zayat, Pierre, Shetty, Puranchander C., Bower, George, Kvale, Paul
Published in The Annals of thoracic surgery (01.10.1981)