RT Journal Article SR Electronic T1 Oculomotor and visual axis systems sparing in spinocerebellar ataxia type 13R420H JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 1181 OP 1182 DO 10.1212/WNL.0b013e3182698d5c VO 79 IS 11 A1 Michael F. Waters A1 Sankarasubramoney H. Subramony A1 Joel Advincula A1 Susan Perlman A1 Tetsuo Ashizawa YR 2012 UL http://n.neurology.org/content/79/11/1181.abstract AB