[Giardiasis--an underestimated problem in Norway?].
Nygård
Karin
K
D004196:Disease Outbreaks / Q000517:prevention & control; D005873:Giardiasis / Q000175:diagnosis / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D009664:Norway / Q000453:epidemiology