RT Journal Article SR Electronic T1 The electrical properties of muscle fiber membranes in dystrophia myotonica and myotonia congenita. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 441 OP 447 DO 10.1136/jnnp.31.5.441 VO 31 IS 5 A1 McComas, A J A1 Mrozek, K YR 1968 UL http://jnnp.bmj.com/content/31/5/441.abstract AB