====== Biological networks ======

  - https://metabolicatlas.org/gems/repository
  - https://pubmed.ncbi.nlm.nih.gov/20823849/
  - https://www.wikidata.org/wiki/Q34240836
  - https://github.com/matthiaskoenig/hepatonet
  - https://skm.nib.si/
  - http://www.causalbionet.com/