deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 5e822cc..3f23892 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = {1999},  publisher = {Nature Publishing Group},  }  @article{hall2007protein,  title = {{Protein microarray technology}},  author = {Hall, David A and Ptacek, Jason and Snyder, Michael},  journal = {Mechanisms of ageing and development},  volume = {128},  number = {1},  pages = {161--167},  year = {2007},  publisher = {Elsevier},  }