Koegelenberg, Coenraad F N Transthoracic ultrasonography for the respiratory physician. [electronic resource] - Respiration; international review of thoracic diseases 2012 - 337-50 p. digital Publication Type: Journal Article; Review ISSN: 1423-0356 Standard No.: 10.1159/000339997 doi Subjects--Topical Terms: HumansLung Diseases--diagnostic imagingPulmonary Medicine--methodsUltrasonography--instrumentationUltrasonography, Interventional--methods