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