_:vb50946785 . _:vb50946785 "url:https://www.ncbi.nlm.nih.gov/pubmed/11283697"^^ . _:vb50946785 . _:vb50946785 . _:vb50946785 . _:vb50946785 . _:vb50946785 "A hemolytic anemia characterized by decreased synthesis of one or more hemoglobin polypeptide chains."^^ .