deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 6bcfb19..c8b8005 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Acoustic radiation force impulse imaging: in vivo demonstration of clinical feasibility}},  journal = {Ultrasound in Medicine {\&} Biology},  }  @article{Nightingale_2001,  doi = {10.1121/1.1378344},  url = {http://dx.doi.org/10.1121/1.1378344},  year = {2001},  publisher = {Acoustical Society of America ({ASA})},  volume = {110},  number = {1},  pages = {625},  author = {Kathryn R. Nightingale and Mark L. Palmeri and Roger W. Nightingale and Gregg E. Trahey},  title = {{On the feasibility of remote palpation using acoustic radiation force}},  journal = {The Journal of the Acoustical Society of America},  }