@misc{indiciaec826ed48e74a,
  title = {Improved tests for a random effects meta-regression with a single covariate.},
  author = {Guido Knapp and Joachim Hartung},
  year = {2003},
  doi = {10.1002/sim.1482},
  url = {https://pubmed.ncbi.nlm.nih.gov/12939780/},
  note = {Source identifier: 12939780}
}