@article{borenstein2010,
  title={A basic introduction to fixed-effect and random-effects models for meta-analysis},
  author={Michael Borenstein and Larry V. Hedges and Julian P. T. Higgins and Hannah R. Rothstein},
  year={2010},
  journal={Research Synthesis Methods},
  doi={10.1002/jrsm.12},
  url={https://doi.org/10.1002/jrsm.12}
}