docs: def disease(self,
                  identifier=None,
                  ref_id=None,
                  ref_type=None,
                  name=None,
                  acronym=None,
                  description=None,
                  entry_name=None,
                  limit=None,
                  as_df=False
                  ):
          """Method to query :class:`.models.Disease` objects in database
  
  
          :param identifier: disease UniProt identifier(s)
          :type identifier: str or tuple(str) or None
  
          :param ref_id: identifier(s) of referenced database
          :type ref_id: str or tuple(str) or None
  
          :param ref_type: database name(s)
          :type ref_type: str or tuple(str) or None
  
          :param name: disease name(s)
          :type name: str or tuple(str) or None
  
          :param acronym: disease acronym(s)
          :type acronym: str or tuple(str) or None
  
          :param description: disease description(s)
          :type description: str or tuple(str) or None
  
          :param entry_name: name(s) in :class:`.models.Entry`
          :type entry_name: str or tuple(str) or None
  
          :param limit:
              - if `isinstance(limit,int)==True` -> limit
              - if `isinstance(limit,tuple)==True` -> format:= tuple(page_number, results_per_page)
              - if limit == None -> all results
          :type limit: int or tuple(int) or None
  
          :param bool as_df: if `True` results are returned as :class:`pandas.DataFrame`
  
          :return:
              - if `as_df == False` -> list(:class:`.models.Disease`)
              - if `as_df == True`  -> :class:`pandas.DataFrame`
          :rtype: list(:class:`.models.Disease`) or :class:`pandas.DataFrame`
          """
          q = self.session.query(models.Disease)
  
          model_queries_config = (
              (identifier, models.Disease.identifier),
              (ref_id, models.Disease.ref_id),
              (ref_type, models.Disease.ref_type),
              (name, models.Disease.name),
              (acronym, models.Disease.acronym),
              (description, models.Disease.description)
          )
          q = self.get_model_queries(q, model_queries_config)
  
          if entry_name:
              q = q.session.query(models.Disease).join(models.DiseaseComment).join(models.Entry)
              if isinstance(entry_name, str):
                  q = q.filter(models.Entry.name == entry_name)
              elif isinstance(entry_name, Iterable):
                  q = q.filter(models.Entry.name.in_(entry_name))
  
          return self._limit_and_df(q, limit, as_df)