Ultrasound in Peripheral Pulmonary Air-Fluid Lesions: Color Doppler Imaging as an Aid in Differentiating Empyema and Abscess

H. J Chen, Y. H Yu, C. Y Tu, C. H Chen, T. C Hsia, K. D Tsai, C. M Shih and W. H. Hsu

Chest 135 ( 6 ): 1426 - 1432 , 2009