TY - RPRT TI - Systemic venous abnormalities: embryologic and echocardiographic considerations. AU - T A Tacy AU - N H Silverman PY - 2001 DO - 10.1046/j.1540-8175.2001.00401.x UR - https://pubmed.ncbi.nlm.nih.gov/11466154/ ID - 11466154 ER -