NIH:10.1890/08-0633.1
NIH:10.1890/12-0719.1
NIH:10.1890/14-1910.1
NIH:10.1890/15-0934
NIH:10.1890/1540-9295(2005)003[0029:ETTEID]2.0.CO;2
NIH:10.1890/ES11-00088.1