Journal of internal medicine
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The clinical features of 80 patients with primary Sjögren's syndrome (PSS) were revised in order to evaluate the descriptive and analytical facilities of a newly proposed model for classification of the exocrine and nonexocrine disease manifestations in PSS. ⋯ We conclude that this theoretically based model for classification of disease manifestations in PSS contains descriptive and analytic powers which may assist the clinical handling of these patients.