PT - JOURNAL ARTICLE AU - Robert Caslake TI - Difficulties with control arms in repetitive magnetic stimulation studies AID - 10.1136/jnnp-2014-307906 DP - 2014 Nov 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 1182--1182 VI - 85 IP - 11 4099 - http://jnnp.bmj.com/content/85/11/1182.short 4100 - http://jnnp.bmj.com/content/85/11/1182.full SO - J Neurol Neurosurg Psychiatry2014 Nov 01; 85