1. Effects of vasodilation and arterial resistance on cardiac output;Aliya;J. Clinic. Experiment. Cardiol.,2011
2. The relationship of stress and blood pressure effectors;Ayada;Hippokratia,2015
3. Comparison of physiologic ejection fraction to activities of daily living: implications for clinical testing;Bairey;J. Am. Coll. Cardiol.,1990
4. Emotional stress may precipitate severe, reversible left ventricular dysfunction;Barclay;N. Engl. J. Med.,2005
5. Boluyt , M. O. E. G. Lakatta 2002 Physiological changes, organ systems: Cardiovascular http://www.encyclopedia.com