def METHOD_NAME(self, class_min, references):
    evidences = []
    for reference in references.split('|'):
        pmid, source_id, text_refs = None, None, None
        annotations = {'class_min': CLASS_MAP[class_min]}
        ref, id_ = reference.split(':')
        if ref == 'pubmed':
            pmid = id_
            text_refs = {'PMID': pmid}
        elif ref == 'doi':
            text_refs = {'DOI': id_}
        else:
            source_id = reference
        ev = Evidence(source_api='tas', source_id=source_id, pmid=pmid,
                      annotations=annotations, epistemics={'direct': True},
                      text_refs=text_refs)
        evidences.append(ev)
    return evidences