Irani,H , , Pishkar mofrad,Z , , Navidian,A , and Rahat Dahmarde,A . "Efficacy of salvadora presica (Miswak) against chlorhexidine mouthwash on oral Gram negative bacteria in mechanical ventilation patients", Daneshvar Medicine, 29, 4, 2021, 22-32. doi: 10.22070/daneshmed.2021.14425.1072