title: Delta beta thalassemia: a rare hemoglobin variant.
authors.affiliation: Department of Haematology, Aga Khan University Hospital, Karachi, Pakistan.
authors.forename: Huma
authors.initials: H
authors.lastname: Mansoori
authors.affiliation: Department of Haematology, Aga Khan University Hospital, Karachi, Pakistan.
authors.forename: Sidra
authors.initials: S
authors.lastname: Asad
authors.affiliation: Department of Haematology, Aga Khan University Hospital, Karachi, Pakistan.
authors.forename: Anila
authors.initials: A
authors.lastname: Rashid
authors.affiliation: Department of Haematology, Aga Khan University Hospital, Karachi, Pakistan.
authors.forename: Farheen
authors.initials: F
authors.lastname: Karim