TY - JOUR A1 - Wang, J. A1 - Mann, F. A1 - Lloyd-Evans, B. A1 - Ma, R. A1 - Johnson, S. T1 - Associations between loneliness and perceived social support and outcomes of mental health problems: A systematic review Y1 - 2018 DO - 10.1186/s12888-018-1736-5 VL - 18 IS - 1 ER -