biostudies-literatureUnknown184(14)Block WDCMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne1599https://www.ebi.ac.uk/biostudies/studies/S-EPMC3470623biostudies-literatureFive things to know about...: contrast-enhanced ultrasonography.PMC3470623Atri MBlock WDfalseFive things to know about...: contrast-enhanced ultrasonography.2012-01-01T00:00:00Z2012 Oct2025-04-04T08:08:20.732Z2025-04-04T08:08:20.732ZS-EPMC34706232245168910.1503/cmaj.112057