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The authors present a rather rare case of sarcoidosis in a 12 year old child. Boney involvement constitutes the first manifestation of the condition, with micro-cystic radiological appearance of the second phalanges of both third fingers. The chest X-ray demonstrated glandular and parenchymatous involvement. The diagnosis was histologically confirmed by(More)
ATPase activity of the coupling factor 1, CF1, isolated from spinach chloroplasts, was enhanced by reduction with dithiothreitol. Reduced thioredoxins from spinach chloroplasts, Escherichia coli and human lymphocytes replaced dithiothreitol as reductant and activator of the ATPase. CF1 must be in an oxidized activated state to be further activated by(More)