code: def wr_xlsx(self, fout_xlsx):
          
          objwr = WrXlsxSortedGos("GOEA", self.sortobj)
          #### fld2fmt['ratio_in_study'] = '{:>8}'
          #### fld2fmt['ratio_in_pop'] = '{:>12}'
          #### ntfld2wbfmtdict = {
          # ntfld_wbfmt = {
          #     'ratio_in_study': {'align':'right'},
          #     'ratio_in_pop':{'align':'right'}}
          kws_xlsx = {
              'title': self.ver_list,
              'fld2fmt': {f:'{:8.2e}' for f in self.flds_cur if f[:2] == 'p_'},
              #'ntfld_wbfmt': ntfld_wbfmt,
              #### 'ntval2wbfmtdict': ntval2wbfmtdict,
              #'hdrs': [],
              'prt_flds': self.flds_cur}
          objwr.wr_xlsx_nts(fout_xlsx, self.desc2nts, **kws_xlsx)
docs: Print grouped GOEA results into an xlsx file.