Search Results       Your search for [subject]Ultra-violet rays with shorter wave length -- Influence in difference days and different latitudes returned 1 record.           The result of the past two years’ works in the study of tropical sunlight. by Freer, Paul C.; Subject: Tropical Medicine; Ultra-violet rays with shorter wave length -- Influence in difference days and different latitudes; Sunlight, Tropical -- Effect on health -- Case study.          Add to Book Cart   |    Digital Copy Available Relevance: 96.53%