[Viral infections on trips: viral hepatitis B in the world].
Da Villa
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D002353:Carrier State / Q000517:prevention & control / Q000635:transmission; D002908:Chronic Disease; D014943:Global Health; D006509:Hepatitis B / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D014195:Travel
Le infezioni virali nei viaggi: l'epatite virale B nel mondo.