1. 1. Brooke NH: A cCinician's View of Neuromuscular Diseases ed. 2. Baltimore Williams and Williams 1986.
2. 2. Dubowitz V: Muscle Disorders in Childhood. Vol. XIV: Major Problems in Clinical Pediatrics Philadelphia WB Saunders Co. 1978.
3. 3. Emery AEH: Duchenne muscuclar dystrophy in Oxford Monographs mi Medical Genetics No. 15 New York Oxtord University Press 1987.
4. 4. Emery AEH: Duchenne muscular dystrophy in Oxford Monographs on Medical Genetics No 15 New York Oxford University Press 1987 p 44.
5. 5. Emery AEH: Duchenne muscular dystrophy in Oxford Monograph on Medical Genetics No. 15. New York Oxford University Press 1987 pp 47-53.