RT Journal Article SR Electronic T1 Atrial Ventricular Diverticulum: Sonographic Diagnosis JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 721 OP 723 VO 8 IS 4 A1 Michael G. Karnaze A1 Gary D. Shackelford A1 Charles L. Abramson YR 1987 UL http://www.ajnr.org/content/8/4/721.abstract AB