TY - JOUR IS - 1 JO - Taehan ŬIsa HyŏPhoe Chi = Journal of the Korean Medical Association PY - 2015 SN - 1975-8456 VL - 58 AU - Myung SK DO - 10.5124/jkma.2015.58.1.42 LA - ko N1 - FEMU ID: 46195; EMF-Portal URL: https://www.emf-portal.org/en/article/46195 SP - 42-48 TI - [Smartphones and health] UR - https://synapse.koreamed.org/func/download.php?path=L2hvbWUvdmlydHVhbC9rYW1qZS9zeW5hcHNlL3VwbG9hZC9TeW5hcHNlRGF0YS9QREZEYXRhLzAxMTlqa21hL2prbWEtNTgtNDIucGRm&filename=amttYS01OC00Mi5wZGY= ER -