RT Journal Article
SR Electronic
T1 The measurement of disease
JF Journal of Neurology, Neurosurgery & Psychiatry
JO J Neurol Neurosurg Psychiatry
FD BMJ Publishing Group Ltd
SP 943
OP 943
DO 10.1136/jnnp.2010.206409
VO 81
IS 9
A1 I S J Merkies
A1 R A C Hughes
YR 2010
UL http://jnnp.bmj.com/content/81/9/943.abstract
AB