deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index d157f56..e8440b3 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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pages = {1320-6},  pubmed_id = {25194857},  }  @article{20157491,  title = {{Understanding PubMed user search behavior through log analysis.}},  date = {2009},  source = {Database (Oxford)},  authors = {Islamaj, Dogan R and Murray, GC and Névéol, A and Lu, Z},  author = {Islamaj, Dogan R and Murray, GC and Névéol, A and Lu, Z},  year = {2009},  month = {null},  journal = {Database (Oxford)},  volume = {2009},  number = {},  pages = {bap018},  pubmed_id = {20157491},  }