TY - GEN AU - PiƩrard,Luc A AU - Lancellotti,Patrizio TI - Dyspnea and stress testing SN - 1533-4406 PY - 2006///0227 KW - Dyspnea KW - etiology KW - Exercise Test KW - Humans KW - Mitral Valve Insufficiency KW - complications KW - Prognosis KW - Risk Factors KW - Technetium Tc 99m Sestamibi KW - metabolism KW - Tomography, Emission-Computed, Single-Photon N1 - Publication Type: Comment; Letter ER -