title: Haptoglobin: an emerging candidate for phenotypic modulation of sickle cell anemia?
authors.affiliation: Universidade Estadual de Campinas (UNICAMP), Campinas, SP, Brazil. Electronic address: magnun@fcm.unicamp.br.
authors.forename: Magnun Nueldo Nunes Dos
authors.initials: MN
authors.lastname: Santos