_:vb50941606 "A beta thalassemia that is characterized by severe anemia and enlarged liver and spleen before 2 years of age."^^ . _:vb50941606 . _:vb50941606 . _:vb50941606 "url:https://ghr.nlm.nih.gov/condition/beta-thalassemia"^^ . _:vb50941606 "url:https://pubmed.ncbi.nlm.nih.gov/12480689/"^^ . _:vb50941606 . _:vb50941606 "url:https://www.ncbi.nlm.nih.gov/pubmed/19258591"^^ . _:vb50941606 .