The Comparative Study of ECG Findings in the Patients Suffered from Subarachnoid Hemorrhage and Control Group in Northeastern Iran oleh Karim Nikkhah, Payam Sasannejad, Morteza Saeidi, Mohsen Muhebati, Sirus Nekuyi, Farid Chekani, Azadeh Fallah Rastgar, Mohammad Taghi Farzadfard, Ali Ghabeli Juibary, Samira Aminzadeh