title: [Giardia--a Protozoa gaining ground].
authors.forename: Tore
authors.initials: T
authors.lastname: Midtvedt
mesh_terms: D000818:Animals; D004196:Disease Outbreaks / Q000517:prevention & control; D016829:Giardia lamblia / Q000145:classification / Q000302:isolation & purification; D005873:Giardiasis / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control; D006801:Humans; D009664:Norway / Q000453:epidemiology