A research procedure used to study proximal rail folds in connective tissue diseases is described. The technique is simple and one that is suitable and agreeable to patients. It affords study of tissue from the proximal nail fold in three different ways, namely, light microscopy with histochemistry, electron microscopy, and direct immunofluorescence.

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http://dx.doi.org/10.1111/j.1524-4725.1976.tb00229.xDOI Listing

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