[Purpura disclosing unapparent chronic B virus infection].
D000328:Adult; D002908:Chronic Disease; D006509:Hepatitis B / Q000150:complications*; D006801:Humans; D007866:Leg; D008297:Male; D008875:Middle Aged; D011693:Purpura / Q000209:etiology*
Purpura révélant une infection chronique inapparente à virus B.