T2 relaxation time for intervertebral disc degeneration in patients with upper back pain: initial results on the clinical use of 3.0 Tesla MRI. - Raoying Xie; Linhui Ruan; Lei Chen; Kai Zhou; Jiandong Yuan; Wei Ji; Guangjian Jing; Xiaojing Huang; Qinglei Shi; Chun Chen (BMC Medical Imaging, 2017)