by Bär, Frits W., van Oppen, Jan, de Swart, Hans, van Ommen, Vincent, Havenith, Michael, Daemen, Mat, Leenders, Peter, van der Veen, Frederik H., van Lankveld, Monique, Verduin, Maarten, Braak, Leo, Wolff, Rod, Wellens, Hein J.J.
Published in The American heart journal (01.12.1991)

by Thomson, G.R, Doube, B.M, Braak, L.E.O, Gainaru, M.D, Bengis, R.G
Published in Onderstepoort journal of veterinary research (1988)