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• National Rosacea Society (NRS)
developed a classification according
to the clinical findings, regardless of
evolutionary or pathogenic aspects
(erythematotelangiectatic, papulo-
pustular, phymatous and ocular) and
only one variant, the granulomatous .
Jansen T, Plewig G. Rosacea: classification and treatment.
J R Soc Med. 1997;90:144-50.