title: Sickle-cell disorders: limits of descriptive epidemiology.
authors.affiliation: WHO Collaborating Centre for the Community Control of Hereditary Disorders, UCL Centre for Health Informatics & Multiprofessional Education, London N19 5LW, UK. m.darlison@ucl.ac.uk
authors.forename: Matthew W
authors.initials: MW
authors.lastname: Darlison
authors.forename: Bernadette
authors.initials: B
authors.lastname: Modell
mesh_terms: D006801:Humans; D012805:Sickle Cell Trait / Q000453:epidemiology*