gsk hiv overview june 28 2004 0 50 100 150 200 250 300 350 400 450 ju n 02 l 2 a u g se p oc t o v d e c j an 03 f eb m ar ap r 3 ay au no ja 4 04 ma pr bms gilead nrti mkt adjusted source verispan spa ims npa combined prescriptions contain both retail and weighted mail order art market ctrx volume 000 continues as leader 500 600 700 s ec fe b