Norepinephrine, but not epinephrine, enhances platelet reactivity and coagulation after exercise in humans. - Ikarugi, H.; Taka, T.; Nakajima, S.; Noguchi, T.; Watanabe, S.; Sasaki, Y.; Haga, S.; Ueda, T.; Seki, J.; Yamamoto, J. (Journal of Applied Physiology, 1999)