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pubmed_id = {15139541},  }  @article{21693392,  title = {{Passive elastography: shear-wave tomography from physiological-noise correlation in soft tissues.}},  date = {2011 Jun},  source = {IEEE Trans Ultrason Ferroelectr Freq Control},  authors = {Gallot, T and Catheline, S and Roux, P and Brum, J and Benech, N and Negreira, C},  author = {Gallot, T and Catheline, S and Roux, P and Brum, J and Benech, N and Negreira, C},  year = {2011},  month = {Jun},  journal = {IEEE Trans Ultrason Ferroelectr Freq Control},  volume = {58},  number = {},  pages = {1122-6},  pubmed_id = {21693392},  }