EXCERPTA MEDICA. INTERNATIONAL CONGRESS SERIES, no. 334. INTERNATIONAL 524,286 III rd International Congress on Muscle Diseases. Newcastle upon Tyne, Great Britain, September 15-21, 1974. President F.J. Nattrass. Chairman J. N. Walton. Abstracts of papers president. Amsterdam 1974 Excerpta Medica; New York, American Elsevier Publ. Co. Inc. 8° s. nlb. 12, 186. Excerpta Medica International Congress Ser. No. 334.