Authors: N M Archin; A L Liberty; A D Kashuba; S K Choudhary; J D Kuruc; A M Crooks; D C Parker; E M Anderson; M F Kearney; M C Strain; D D Richman; M G Hudgens; R J Bosch; J M Coffin; J J Eron; D J Hazuda; D M Margolis Journal: Nature Date: 2012-07-25 Impact factor: 49.962