Inadequate heart rate control is associated with worse quality of life in patients with coronary artery disease and chronic obstructive pulmonary disease. The RYTHMOS study. - Andrikopoulos G; Pastromas S; Kartalis A; Toli K; Mantas I; Tzeis S; Kyrpizidis C; Olympios C; Manolis AJ; Foussas S; Kranidis A; Pras A; et al. (Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese, 2012)