1. Čihák, R., Gutmann, E., Hanzlíková, V.: Involution and hormonal-induced persistence of the M. sphincter ani (so called levator ani) in female rats. J. Anat. (Lond.) 106, 93–110 (1970).
2. Dorn, A.: Studien zur Skeletmuskelentwicklung beim Meerschweinchen. Acta histochem. (Jena) 33, 362–393 (1969).
3. Dubowitz, V.: Developing and diseased muscle. London: Spastics Internat. Med. Publications in association with W. Heineman Med. Books Ltd., No 2, 1968.
4. —, Pearse, A. G. E.: A comparative histochemical study of oxidative enzyme and phosphorylase activity in skeletal muscle. Histochemie 2, 105–117 (1960).
5. Engel, W. K.: The essentiality of histo- and cytocheniical studies of skeletal muscle in the investigation of neuromuscular diesease. Neurology (Minneap.) 12, 778–794 (1962).