RT Journal Article SR Electronic T1 Muscle cramps associated with localized scleroderma skin lesions: focal dystonia, neuromyotonia, or nerve entrapment? JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 2549 OP 2549 VO 33 IS 12 A1 Zivkovic, Sasa A A1 Lacomis, David A1 Medsger, Thomas A YR 2006 UL http://www.jrheum.org/content/33/12/2549.abstract AB