Zanetti, R The multicentre south European study 'Helios'. I: Skin characteristics and sunburns in basal cell and squamous cell carcinomas of the skin. [electronic resource] - British journal of cancer Jun 1996 - 1440-6 p. digital Publication Type: Comparative Study; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't ISSN: 0007-0920 Standard No.: 10.1038/bjc.1996.274 doi Subjects--Topical Terms: AdolescentCarcinoma, Basal Cell--epidemiologyCarcinoma, Squamous Cell--epidemiologyCase-Control StudiesCosmeticsEnvironmentEurope--epidemiologyEye ColorFemaleHair ColorHeliotherapyHumansInterviews as TopicMaleMud TherapyOccupationsOdds RatioRisk FactorsSkin--cytologySkin Neoplasms--epidemiologySkin PigmentationSunburnSunscreening AgentsSurveys and Questionnaires