W. G. P. Marr

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Muscle biopsies from two cases of polyarteritis nodosa (PN) and one of arteritis in association with rheumatoid arthritis (RA) were examined by electron microscopy. The histological changes were similar in all three cases. The endothelial cells of the small blood vessels were often hypertrophied. Inflammatory reaction was present mainly in the vicinity of(More)
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