RT Journal Article SR Electronic T1 Fahr’s disease JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 100 OP 101 DO 10.1136/jnnp.2008.166157 VO 9 IS 2 A1 A M Shenoy A1 D Volpe A1 E R Ensrud YR 2009 UL http://pn.bmj.com/content/9/2/100.abstract AB