title: Sickle cell trait at high altitude.
authors.affiliation: Department of Infectious Disease and Tropical Medicine, Imam Khomeini Hospital, Ardabil University of Medical Science, Ardabil, Iran.
authors.forename: Shahram
authors.initials: S
authors.lastname: Habibzadeh
authors.affiliation: Department of Internal Medicine, Imam Khomeini Hospital, Ardabil University of Medical Science, Ardabil, Iran.
authors.forename: Nasrollah
authors.initials: N
authors.lastname: Maleki