I didn't attempt to search that answer or Google it. I would have used Scirus if I was searching it fyi, and I thought that some of the medical minds here would have answered by now...they got 3 outta four, pretty good, but there is a truth and the truth shall set you free haha....I was merely recalling the diverse and deep product pipeline that Gilead had and jumped into the mosh pit with that info....
The answer is.....................................