Karavidas, Apostolos Driva, Metaxia Parissis, John T. and Farmakis, Dimitrios Mantzaraki, Vassiliki Varounis, Christos and Paraskevaidis, Ioannis Ikonomidis, Ignatios Pirgakis, Vlassios and Anastasiou-Nana, Maria Filippatos, Gerasimos, Functional electrical stimulation of peripheral muscles improves endothelial function and clinical and emotional status in heart failure patients with preserved left ventricular ejection fraction, American Heart Journal, (166), 760-767, 2013, MOSBY-ELSEVIER, 0002-8703, 1097-6744