sub:provenance { pmid:1541680dcterms:title "A common type of the spectrin alpha I 46-50a-kD peptide abnormality in hereditary elliptocytosis and pyropoikilocytosis is associated with a mutation distant from the proteolytic cleavage site. Evidence for the functional importance of the triple helical model of spectrin" . sub:assertionhas-source:pmid:1541680 . }