To operate or not on elderly patients with aortic stenosis: the decision and its consequences
B J Bouma, R B A van den Brink, J H P van der Meulen, H A Verheul, E C Cheriex, H P M Hamer, E Dekker, K I Lie, J G P Tijssen
Heart Aug 1999, 82 (2) 143-148; DOI: 10.1136/hrt.82.2.143