RT Journal Article SR Electronic T1 Sydenham chorea: MR manifestations in two cases. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 73 OP 76 VO 12 IS 1 A1 Kienzle, G D A1 Breger, R K A1 Chun, R W A1 Zupanc, M L A1 Sackett, J F YR 1991 UL http://www.ajnr.org/content/12/1/73.abstract AB