Reader Comments (10)
Post a new comment on this article
-
2 Responses23 Sep 2013
07:23 GMT
Most RecentAre the rats making a positive choice? Posted by juliet2 on 21 Sep 2013 at 17:59 GMT -
4 Responses02 Aug 2013
17:42 GMT
Most RecentMedia Coverage of This Article Posted by PLOS_ONE_Group on 01 Apr 2013 at 18:08 GMT -
0 Responses19 Oct 2007
10:19 GMT
Most RecentReferee Comments: Referee 3 Posted by PLOS_ONE_Group on 19 Oct 2007 at 10:19 GMT -
0 Responses09 Aug 2007
22:59 GMT
Most RecentReferee Comments: Referee 2 Posted by PLOS_ONE_Group on 09 Aug 2007 at 22:59 GMT