RT Journal Article SR Electronic T1 Respiration in Dystrophia Myotonica JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 112 OP 120 DO 10.1136/thx.19.2.112 VO 19 IS 2 A1 P. M. S. Gillam A1 P. J. D. Heaf A1 L. Kaufman A1 B. G. B. Lucas YR 1964 UL http://thorax.bmj.com/content/19/2/112.abstract AB