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Circannual changes in ventricular function assessed by echocardiography
Y Saito1, K Tamura, D C Hillman
1Yamanashi Medical College, Japan.
Chronobiologia
|January 1, 1992
Abstract:
Cardiac function may vary predictably along the 1-year scale. A circannual rhythm, more or less in phase is documented for 5 echocardiographic variables in clinically healthy Japanese adults.