1. Proceedings of the 29th Scientific Session of the American Heart Association;Adams, P.; Lucas, R.N.; Ferguson, D.J.; Lillehei, C.W.,1956
2. DeWall, R. A., Warden, H. E., Read, R. C., Gott, V. L., Ziegler, N. R., Varco, R. L., and Lillehei, C. W. (1956). Surg. Clin. N. Amer., 36, 1025.
3. Lillehei, C. W., Cohen, M., Warden, H. E., and Varco, R. L. (1955). Surgery, 38, 11.
4. DeWall, R. A., Read, R. C., Warden, H. E., and Varco, R. L. (1956). Dis. Chest, 29, 1.
5. Accepted for publication in Surgery;Warden, H.E.; DeWall, R.A.; Adams, P.; Ferguson, D.J.; Varco, R.L.,1957