PT - JOURNAL ARTICLE ED - , TI - HIV Virulence AID - 10.1126/science.343.6177.1288-i DP - 2014 Mar 21 TA - Science PG - 1288--1288 VI - 343 IP - 6177 4099 - http://science.sciencemag.org/content/343/6177/1288.9.short 4100 - http://science.sciencemag.org/content/343/6177/1288.9.full SO - Science2014 Mar 21; 343