RT Journal Article SR Electronic T1 Relapsing-remitting painful masses of the skeletal muscle JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 439 OP 439 DO 10.1136/jclinpath-2019-206090 VO 73 IS 7 A1 Vattemi, Gaetano A1 Guglielmi, Valeria A1 Marini, Matteo A1 Tomelleri, Giuliano YR 2020 UL http://jcp.bmj.com/content/73/7/439.abstract AB