code: def get_disease_comments(self, entry):
          
          disease_comments = []
          query = "./comment[@type='disease']"
  
          for disease_comment in entry.iterfind(query):
              value_dict = {'comment': disease_comment.find('./text').text}
  
              disease = disease_comment.find("./disease")
  
              if disease is not None:
                  disease_dict = {'identifier': disease.get('id')}
  
                  for element in disease:
                      key = element.tag
  
                      if key in ['acronym', 'description', 'name']:
                          disease_dict[key] = element.text
  
                      if key == 'dbReference':
                          disease_dict['ref_id'] = element.get('id')
                          disease_dict['ref_type'] = element.get('type')
  
                  disease_obj = models.get_or_create(self.session, models.Disease, **disease_dict)
                  self.session.add(disease_obj)
                  self.session.flush()
                  value_dict['disease_id'] = disease_obj.id
  
              disease_comments.append(models.DiseaseComment(**value_dict))
  
          return disease_comments
docs: get list of models.Disease objects from XML node entry
  
          :param entry: XML node entry
          :return: list of :class:`pyuniprot.manager.models.Disease` objects