title: The HIF pathway and erythrocytosis.
authors.affiliation: Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, 19104, USA. franklee@mail.med.upenn.edu
authors.forename: Frank S
authors.initials: FS
authors.lastname: Lee
authors.forename: Melanie J
authors.initials: MJ
authors.lastname: Percy