Rousseau, MF., Vincent, M.-F., Vanhoof, F., Van den Berghe, G., Charlier, AA., & Pouleur, H. (1984). Effects of Nicardipine and Nisoldipine On Myocardial-metabolism, Coronary Blood-flow and Oxygen-supply in Angina-pectoris. The American Journal of Cardiology, 54(10), 1189-1194. https://doi.org/10.1016/S0002-9149(84)80065-X (Original work published 1984)