” shows and in Endnote when references are sorted by author

” have a blank author field， making them difficult to find in my library. Is there away to stop this sort of abbreviation while still being able to sort by author and eliminating the “， Whenever I enter an organization as the author for a citation Endnote abbreviates it.  For example， I. O.”  I have found that inserting double commas beforehand prevents the abbreviation but then in the citation “， the Institute of Medicine becomes “Medicine，” from showing ?? ，” shows and in Endnote when references are sorted by author those with “，。