Effect of N-acetylcysteine on liver and kidney function tests after surgical bypass in obstructive jaundice: A randomized controlled trial oleh Farzad Kakaei, Masoud Fasihi, Shahriar Hashemzadeh, Sina Zarrintan, Samad Beheshtirouy, Touraj Asvadi-Kermani, Kowsar Tarvirdizadeh, Seyfollah Rezaei, Behnam Sanei