code: def _get_study_txt(self, goid):
          
          if self.go2res is not None:
              res = self.go2res.get(goid, None)
              if res is not None:
                  if self.study_items is not None:
                      return self._get_item_str(res)
                  else:
                      return self.pltvars.fmtres.format(
                          study_count=res.study_count)
docs: Get GO text from GOEA study.