title: Idiopathic CD4+ T-lymphocytopenia in blood donors: cohort study.
authors.forename: M
authors.initials: M
authors.lastname: Girotto
authors.forename: D A
authors.initials: DA
authors.lastname: Verani
authors.forename: P P
authors.initials: PP
authors.lastname: Pagliaro
mesh_terms: D000328:Adult; D001782:Blood Donors; D015331:Cohort Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D018344:T-Lymphocytopenia, Idiopathic CD4-Positive / Q000209:etiology*