Anxiety Provocation and Measurement Using Virtual Reality in Patients with Obsessive-Compulsive Disorder. - Kwanguk Kim; Chan-Hyung Kim; Kyung Ryeol Cha; Junyoung Park; Kiwan Han; Yun Ki Kim; Jae-Jin Kim; In-Young Kim; Sun I. Kim (Cyberpsychology Behav. Soc. Netw., 2008)