Self-aggregates based on glycol chitosan for tumor therapy and imaging - Kwon, Ick Chan; Kim, Jong-Ho; Sungwon Kim; Choi, Kuiwon; Yoo-Shin Kim; Yong Woo Cho; Sang Yoon Kim; Dae Hyuk Moon; In-San Kim; Rang-Woon; Seung Jun Oh; Jae Hyung Park