Grollier, G. ., Commeau, P. ., Sesboué, B. ., Huret, B. ., Potier, J. ., & Foucault, J. . (1988). Short-term clinical and haemodynamic assessment of balloon aortic valvuloplasty in 30 elderly patients. Discrepancy between immediate and eighth-day haemodynamic values. European Heart Journal, 9 Suppl E, 155-62. https://doi.org/10.1093/eurheartj/9.suppl_e.155