@Article{Bald:Ruec:Schw:how:2019,
  author =	 {Balduzzi, Sara and R{\"u}cker, Gerta and Schwarzer,
                  Guido},
  title =	 {How to perform a meta-analysis with {R}: a practical
                  tutorial},
  journal =	 {Evidence-Based Mental Health},
  volume =	 {22},
  number =	 {4},
  pages =	 {153-160},
  year =	 {2019},
  url =		 {https://www.doi.org/10.1136/ebmental-2019-300117}
}
