Prophylactic Administration of Fibrinogen Concentrate in Perioperative Period of Total Hip Arthroplasty: a Randomized Clinical Trial Study - Najafi, Atabak; Shariat Moharari, Reza; Orandi, Amir Ali; Etezadi, Farhad; Sanatkar, Mehdi; Khajavi, Mohammad Reza; Ahmadi, Arezoo; Pourfakhr, Pejman; Imani, Farsad; Mojtahedzadeh, Mojtaba; Orandi, Amir Hossein (Acta Medica Iranica)