title: Human hydatid disease in Eastern Libya.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004443:Echinococcosis / Q000453:epidemiology*; D004777:Environment; D005260:Female; D006801:Humans; D008002:Libya; D008297:Male; D008875:Middle Aged; D012737:Sex Factors