%0 Journal Article %T Evaluation of PECAM-1 Gene Polymorphism in Patients with Periodontal Disease and Healthy Individuals %A Mahdi Kdkhodazadeh %A Mehrdad Hajilooi %A Behzad Houshmand %A Sara Khazaei %J ISRN Dentistry %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/751920 %U http://dx.doi.org/10.5402/2012/751920