Frequency of thalassemia in a sample of the Spanish population.
D004906:Erythrocyte Count; D005828:Genetics, Population; D006452:Hemoglobinometry; D006801:Humans; D008288:Malaria / Q000453:epidemiology / Q000517:prevention & control; D013030:Spain; D013789:Thalassemia / Q000453:epidemiology*