Saeed Sadeghian , Faramarz Fallahi , Mojtaba Salarifar , Gholamreza Davoodi , Mehran Mahmoodian , Nader Fallah , Soodabeh Darvish , Abbasali Karimi and Tehran Heart Center
BMC Cardiovascular Disorders 2006, 6:38doi:10.1186/1471-2261-6-38