ÅSTRÖM , E. ., FRIMAN , G. ., & PILSTRÖM , L. . (1977). Human Skeletal Muscle in Viral and Mycoplasma Infections: Ultrastructural Morphometry and Its Correlations to Enzyme Activities. Upsala Journal of Medical Sciences, 82(3), 191–194. https://doi.org/10.3109/03009737709179099