title: Blue lunula related with hydroxyurea.
authors.affiliation: Eskişehir Osmangazi University, Faculty of Medicine, Department of Hematology, Eskişehir, Turkey.
authors.forename: Hava
authors.initials: H
authors.lastname: Usküdar Teke
authors.affiliation: Kayseri Education and Research Hospital, Internal Medicine, Kayseri, Turkey.
authors.forename: Abdülsamet
authors.initials: A
authors.lastname: Erden
keywords: Hematopoiesis; Neoplasia