%0 Journal Article %T Evaluation of the valvular and biventricular functions in Parkinson patients using ergotamine-derived dopamine agonist: an observational study %A Özer, N. %A Yorgun, H. %A Canpolat, U. %A Elibol, B. %J The Anatolian Journal of Cardiology %D 2014 %V 14 %P 121-127 %R 10.5152/akd.2014.4834