... Scientific, Avantec Inc., A: An’s CannulaB: Casali’s cannulaFig. 1. The new coronary cannula maded for this study (A: An’s Cannula) and the coronary cannula used in the work ofCasali et al(B: Casali’s ... G., Mantero, O. and Scomazzoni, G.: Thecollaterals of the coronary arteries in normal and pathologic hearts. Circulation Research,4:223-229,1956.14.Hastings ,A. B.,White,F.C.,Sanders,T.M.andBloor,C.M.: ... W.: Cardiac Catheterization and Angiography.(2nd ed.). Lea & Febiger, Philadelphia, pp. 1-86, 1980.28. Grossman, W. and Mclaurin, L.P.: Dynamic and isometricexercise during cardiac catheterization....