[Variations of the Q-1st sound interval and missurotomy].
DI RENZI
L
L
SAPONARO
A
A
CALAFIORE
G
G
MELARAGNO
E
E
RECINE
G
G
D004562:Electrocardiography; D006801:Humans; D008946:Mitral Valve Stenosis / Q000601:surgery*; D010701:Phonocardiography; D013016:Sound
ELECTROCARDIOGRAPHY; MITRAL STENOSIS/surgery; PHONOCARDIOGRAPHY