Human circadian system causes a morning peak in prothrombotic plasminogen activator inhibitor-1 (PAI-1) independent of the sleep/wake cycle

Genome-wide association study for circulating levels of PAI-1 provides novel insights into its regulation

(2012) J. Huang et al.   BLOOD

Endogenous Circadian Rhythm in Vasovagal Response to Head-Up Tilt

(2011) Kun Hu et al.   CIRCULATION

Existence of an Endogenous Circadian Blood Pressure Rhythm in Humans That Peaks in the Evening

(2011) Steven A. Shea et al.   CIRCULATION RESEARCH

The Human Endogenous Circadian System Causes Greatest Platelet Activation during the Biological Morning Independent of Behaviors

(2011) Frank A. J. L. Scheer et al.   PLoS One

Impact of the human circadian system, exercise, and their interaction on cardiovascular function

(2010) F. A. J. L. Scheer et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Genetic Components of the Circadian Clock Regulate Thrombogenesis In Vivo

(2008) Elizabeth J. Westgate et al.   CIRCULATION