@article{ref2012the,
  author = {},
  title = {Structure, function and diversity of the healthy human microbiome},
  journal = {Nature},
  year = {2012},
  doi = {10.1038/nature11234},
  url = {https://doi.org/10.1038/nature11234}
}

@article{Sudo2004gut,
  author = {Sudo and Chida and Aiba and others},
  title = {Postnatal microbial colonization programs the hypothalamic–pituitary–adrenal system for stress response in mice},
  journal = {The Journal of Physiology},
  year = {2004},
  doi = {10.1113/jphysiol.2004.063388},
  url = {https://doi.org/10.1113/jphysiol.2004.063388}
}

@article{Cryan2019the,
  author = {Cryan and O'Riordan and Cowan and others},
  title = {The Microbiota-Gut-Brain Axis},
  journal = {Physiological Reviews},
  year = {2019},
  doi = {10.1152/physrev.00018.2018},
  url = {https://doi.org/10.1152/physrev.00018.2018}
}