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A 11-year-old patient was examined. Biceps biopsy was performed. Electronmicroscopy analysis revealed ultrastructurally unchanged myofibres and normal structure of mitochondria (Fig. 1.) Large amount of collagen was observed around the capillary vessels (Fig. 2,3), at Fig.4 also a lymphocyte was present. Fat droplets were visible in the capillaries, and again, abundant connective tissue around the vessels was seen (Fig. 5,6).
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Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.