RT Journal Article SR Electronic T1 Extraocular myotonia in families with dystrophia myotonica JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 738 OP 738 DO 10.1212/WNL.16.8.738 VO 16 IS 8 A1 Paul R. Dyken YR 1966 UL http://n.neurology.org/content/16/8/738.abstract AB