Sattarzadeh, R.; Tavoosi, A.; Saadat, M.; Derakhshan, L.; Khosravi, B.; Geraiely, B. Calculation of Mitral Valve Area in Mitral Stenosis: Comparison of Continuity Equation and Pressure Half Time With Two-Dimensional Planimetry in Patients With and Without Associated Aortic or Mitral Regurgitation or Atrial Fibrillation. Acta Med Iran 2018, 55, 696-704.