Investigation of the mechanism of ambivalent professional identity formation: A directed content analysis of reflective assignments. - Du, Jiayi; Jia, Xuedong; Yin, Xuejun; Zhang, Qiufang; Bao, Xiaoyue; Zhang, Wan; Hu, Youhong; Loraine, Cook; Jiang, Shuai; Chen, Zhimin; Yin, Zhao; Yang, Yongjie (Medical Teacher, 2025)