title: Hairy Cell Leukemia and Its T Cell Interactions.
authors.affiliation: a Department of Hematology, University Hospital Leiden, Leiden, The Netherlands.
authors.forename: H C
authors.initials: HC
authors.lastname: Kluin-Nelemans
keywords: HCL; HTLV-II; ICAM-1; Ig-switch; IgG subclasses; LFA-1; T lymphocytes; immune deficiency; pancytopenia