_:vb50948275 "url:http://en.wikipedia.org/wiki/Beta_thalassemia"^^ . _:vb50948275 "url:https://pubmed.ncbi.nlm.nih.gov/31030806/"^^ . _:vb50948275 . _:vb50948275 "url:https://www.ncbi.nlm.nih.gov/books/NBK1426/"^^ . _:vb50948275 . _:vb50948275 . _:vb50948275 "url:https://www.ncbi.nlm.nih.gov/pubmed/10395635"^^ . _:vb50948275 . _:vb50948275 "A thalassemia characterized by the reduced or absent synthesis of the beta globin chains of hemoglobin."^^ . _:vb50948275 . _:vb50948275 "url:https://ghr.nlm.nih.gov/condition/beta-thalassemia"^^ .