title: Giardia intestinalis. A prospective investigation of the prevalence in Denmark.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D003718:Denmark; D003967:Diarrhea / Q000209:etiology; D005243:Feces / Q000382:microbiology; D005260:Female; D005872:Giardia / Q000472:pathogenicity; D005873:Giardiasis / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D014195:Travel