Origin of the components of the first heart sound studied by biaxial esophageal phonocardiography.
Chin
J G
JG
Cardiology Department, Leiden University Hospital, The Netherlands.
Vermariën
H
H
van Vollenhoven
E
E
Koops
J
J
Voogd
P J
PJ
Bruschke
A V
AV
D004452:Echocardiography; D004947:Esophagus; D006326:Heart Auscultation; D006347:Heart Sounds; D006351:Heart Valves / Q000502:physiology; D006801:Humans; D010701:Phonocardiography / Q000295:instrumentation* / Q000379:methods; D012016:Reference Values