Mohammed, I.I., Saleh, Z.A. and Hussein, V.M. 2022. Clinical and microbiological efficacy of hyaluronic acid gel compared to chlorhexidine in the treatment of gingivitis. AMJ (Advanced Medical Journal) . 7, 1 (Jul. 2022), 108-114. DOI:https://doi.org/10.56056/amj.2022.166.