TY - GEN AU - Hovsepian,Silva AU - Kelishadi,Roya AU - Motlagh,Mohammad Esmaeil AU - Kasaeian,Amir AU - Shafiee,Gita AU - Arefirad,Tahereh AU - Najafi,Fereshteh AU - Khoramdad,Maliheh AU - Asayesh,Hamid AU - Heshmat,Ramin AU - Qorbani,Mostafa TI - Level of physical activity and screen time among Iranian children and adolescents at the national and provincial level: The CASPIAN-IV study SN - 1016-1430 PY - 0000/// PB - Medical journal of the Islamic Republic of Iran N1 - Publication Type: Journal Article ER -