Jeong-Hyeong Lee

SCL-90-R and 16PF Profiles of Senior High School Students with Excessive Internet Use

Changkook Yang, B. Choe, M. Baity, 2005, Canadian journal of psychiatry. Revue canadienne de psychiatrie.

Age-Related Changes in Sleep/Wake Patterns Among Korean Teenagers

Changkook Yang, Jeong-Hyeong Lee, Chang-Kook Yang, 2005, Pediatrics.