The Effectiveness of Fluoride Varnish and Fissure Sealant in Elementary School Children: A Systematic Review and Meta-Analysis - Jafarzadeh, Dariush; Rezapour, Ramin; Abbasi, Teimour; Tabrizi, Jafar Sadegh; Zeinolabedini, Maryam; Khalili, Assef; Yousefi, Mahmood (Iranian Journal of Public Health, 2022)