Effect of stress on study skills self-efficacy in Nursing students: the chain mediating role of general self-efficacy and self-directed learning. - Zhang, Xiaoyun; Guo, Lei-lei; Wang, Ying; Li, Yuqing; Gui, Jiaofeng; Yang, Xue; Mei, Yujin; Liu, Haiyang; Li, Jin-long; Lei, Yunxiao; Li, Xiaoping; Sun, Lu; et al. (BMC Nursing, 2024)