1. 015 Identifying the cause of phenotypic variability in a family with non-dystrophic myotonia. Issue 3 (9th February 2012) Authors: Raja Rayan, D; Haworth, A; Sud, R; McCall, S; Tan, S V; Durran, S; Davis, M; Hanna, M G Journal: Journal of neurology, neurosurgery and psychiatry Issue: Volume 83:Issue 3(2012) Page Start: e1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗