RT Journal Article SR Electronic T1 Still seeking the holy grail of outcome measures in inclusion body myositis JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 802 OP 803 DO 10.1136/jnnp-2021-326460 VO 92 IS 8 A1 Hogrel, Jean-Yves YR 2021 UL http://jnnp.bmj.com/content/92/8/802.abstract AB