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Focused sonographic examination of the heart, lungs and deep veins in an unselected population of acute admitted patients with respiratory symptoms: a protocol for a prospective, blinded, randomised controlled trial.
Laursen CB, Sloth E, Lassen AT, Christensen RD, Lambrechtsen J, Madsen PH, Henriksen DP, Davidsen JR, Rasmussen F. Laursen CB, et al. BMJ Open. 2012 May 30;2(3):e001369. doi: 10.1136/bmjopen-2012-001369. Print 2012. BMJ Open. 2012. PMID: 22649177 Free PMC article.