deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 87aca8b..14e34e0 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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pages = {e1000580},  pubmed_id = {19956762},  }  @article{19286518,  title = {{Circadian control of the NAD+ salvage pathway by CLOCK-SIRT1.}},  date = {2009 May 1},  source = {Science},  authors = {Nakahata, Y and Sahar, S and Astarita, G and Kaluzova, M and Sassone-Corsi, P},  author = {Nakahata, Y and Sahar, S and Astarita, G and Kaluzova, M and Sassone-Corsi, P},  year = {},  month = {},  journal = {Science},  volume = {324},  number = {},  pages = {654-7},  pubmed_id = {19286518},  }