Cabral, M.Baiao, I.Valente, I.Eloy, M.Freitas, M.2018-12-072018-12-072008-060390-6078http://hdl.handle.net/10400.1/11574Background. Thalassemia is a genetic disease that makes part of an heterogeneous group of mendelian disturbs characterised by a diminution or absence in the production of one of the α or β Haemoglobin A chains (α2 β2). β-thalassemia is a variance of the thalassemic disease. This disease is found in many different ethnic groups and is more incident in some geographic areas, like Mediterranic zones where Algarve is insert.engconference object