title: Hairy cell leukemia followed by polycythemia vera: report of the first case.
authors.affiliation: Istanbul University Istanbul Medical Faculty, Department of Internal Medicine, Division of Hematology, Istanbul , Turkey.
authors.forename: Yonal-Hindilerden
authors.initials: YH
authors.lastname: Ipek
authors.affiliation: Istanbul Bakırkoy Sadi Konuk Training and Research Hospital , Hematology Clinic , Istanbul , Turkey.
authors.forename: Hindilerden
authors.initials: H
authors.lastname: Fehmi
authors.affiliation: Istanbul University Istanbul Medical Faculty, Department of Internal Medicine, Division of Hematology, Istanbul , Turkey.
authors.forename: Nalcaci
authors.initials: N
authors.lastname: Meliha