Golshah, A., Salahshour, M., Kiani , M. . and Fatahi , A. . (2021) “Effect of Traditional and Virtual Oral Hygiene Instruction to School Health Instructors on Plaque Index of Elementary Schoolchildren”, Open Access Macedonian Journal of Medical Sciences, 9(D), pp. 68–71. doi: 10.3889/oamjms.2021.5867.