Pongratz D, Heuser M, Koppenwallner C, Hübner G
Klin Wochenschr. 1976 Feb 1;54(3):117-22. doi: 10.1007/BF01468788.
Report on a sporadic case with congenital slowly progressive neuromuscular disease. Light microscopic, ultrastructural and histochemical changes of muscle biopsy reveal the characteristics of central core disease with "structured cores" in type II-fibers.