@article{higgins2002-12111919,
  author  = {Higgins, Julian P. T. and Thompson, Simon G.},
  title   = {{Quantifying heterogeneity in a meta‐analysis}},
  journal = {Statistics in Medicine},
  year    = {2002},
  doi     = {10.1002/sim.1186},
  pmid    = {12111919},
  url     = {https://doi.org/10.1002/sim.1186}
}