TY - JOUR A1 - Cui, S. A1 - Cheng, F. A1 - Zhang, L. A1 - Zhang, C. A1 - Yuan, Q. A1 - Huang, C. A1 - Zhang, K. A1 - Zhou, X. T1 - Self-esteem, social support and coping strategies of left-behind children in rural China, and the intermediary role of subjective support: A cross-sectional survey Y1 - 2021 DO - 10.1186/s12888-021-03160-y VL - 21 IS - 1 ER -