Khatun, D., Hossain, M., Abdin, M.J., Sheikh, M.A.H. and Alam, M.S. 2018. A comparative clinical study on efficacy of nanofilled resin-modified and conventional glass ionomer pit and fissure sealant in molar tooth. Bangabandhu Sheikh Mujib Medical University Journal. 11, 4 (Dec. 2018), 278–281. DOI:https://doi.org/10.3329/bsmmuj.v11i4.38447.