Keywords: Hu, wei-shau.jpg Head Viral Recombination Section HIV Drug Resistance Program National Cancer Institute See also http //home ncifcrf gov/hivdrp/Hu html Topics/Categories National Cancer Institute People Type B W Photo Source National Cancer Institute Bill Branson Photographer 3448 2000-11 Reuse Restrictions None - This image is in the public domain and can be freely reused Please credit the source and/or author listed above Bill Branson Photographer PD-USGov-HHS-NIH Media from National Cancer Institute Visuals Online Images uploaded by Fæ |