1. Adams R. D., Denny-Brown D., Pearson C. M.: Diseases of muscle; a study in pathology, P. B. Hoeber, New York 1954.
2. Altschul R.: Arch. Path. 34 : 982, 1942.
3. --- Rev. Cand. Biol. 6 : 485, 1947.
4. Audova A.: Skand. Arch. Physiol. 44 : 1, 1923.
5. Axelsson J., Thesleff S.: J. Physiol. 147 : 178, 1959.