Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 45 3 2016 03 15 Is it Blue Light or Increased Electromagnetic Fields which Affects the Circadian Rhythm in People who Use Smartphones at Night 405 406 Seyed Mohammad Javad MORTAZAVI Medical Physics Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran AND Ionizing and Non-ionizing Radiation Protection Research Center (INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran Seyed Alireza MORTAZAVI Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran Parham HABIBZADEH Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran Ghazal MORTAZAVI Tangestan Health Network, Bushehr University of Medical Sciences, Bushehr, Iran 2016 03 15 2016 03 15 No Abstract.     https://ijph.tums.ac.ir/index.php/ijph/article/view/6281 https://ijph.tums.ac.ir/index.php/ijph/article/download/6281/5345