by Nielsen, V.G., Weinbroum, A., Tan, S., Samuelson, P.N., Gelman, S., Parks, D.A.
Published in The Journal of thoracic and cardiovascular surgery (01.05.1994)

by Kirklin, J.K., Chenoweth, D.E., Naftel, D.C., Blackstone, E.H., Kirklin, J.W., Bitran, D.D., Curd, J.G., Reves, J.G., Samuelson, P.N.
Published in The Annals of thoracic surgery (01.02.1986)

by Nielsen, V.G., McCammon, A.T., Tan, S., Kirk, K.A., Samuelson, P.N., Parks, D.A.
Published in The Journal of thoracic and cardiovascular surgery (01.09.1995)