@article{Wang2018,
author = {Wang, J. and Mann, F. and Lloyd-Evans, B. and Ma, R. and Johnson, S.},
title= {Associations between loneliness and perceived social support and outcomes of mental health problems: A systematic review},
year = {2018},
doi = {10.1186/s12888-018-1736-5},
volume = {18},
number = {1},
pages = {1--16},
}