EVALUATION OF THE EFFICACY AND SAFETY OF ORAL PREGABALIN ON REDUCTIONOFPOST LICHTENSTEIN HERNIORRHAPHYINTRAVENOUS OPIOID CONSUMPTION, IN COMPARISON WITH CONTROL GROUP ZANJAN AYATOLLAH MOUSAVI HOSPITAL 2014/2015I
N., Salehi1,، , . Moghimi2, M.، V, Salehi1,*