J Cardiovasc Electrophysiol. 2007 Jan;18(1):110 doi: 10.1111/j.1540-8167.2006.00677.x.

Common pulmonary venous ostium of the right and left inferior pulmonary veins: an unusual pulmonary vein anomaly depicted with 64-slice cardiac computed tomography

Shapiro M, Dodd JD, Brady TJ, Abbara S.

PMID: 17229308