Efficacy and safety of single and double catheter intrathecal drug delivery systems in patients with refractory neck and abdominal cancer pain. - Li, Qin; Wang, Huaiming; Li, Qiju; Xu, Maoxia; Zhong, Bo; Hu, Xin; Zou, Jiang; Feng, Pengjiu; Zhang, Aimin (Scientific Reports, 2024)