modified by has causal genotype Increased Hemoglobin F Alpha Thalassemia Beta Thalassemia Clinical Phenotype of Beta Thalassemia SCDO (Clair Ingram) Could this not rather be "Clinical Subtype of Beta Thalassemia"? See "clinical subtype" in Orphanet. Abnormal clinical manifestations of beta thalassemia that are as a result of the underlying genotype. None Request inclusion into relevant ontology Hydroxyurea Beta Thalassemia Genotype Hemoglobin F Level