[The Italian Group for Epidemiological Studies in Dermatology and the pilot project on the etiology of lichen planus].
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D002908:Chronic Disease; D002986:Clinical Trials as Topic; D006521:Hepatitis, Chronic / Q000150:complications / Q000209:etiology; D006801:Humans; D007558:Italy; D008010:Lichen Planus / Q000209:etiology*; D010865:Pilot Projects; D012306:Risk
Il G.I.S.E.D. ed il progetto pilota sull'eziologia del lichen planus.