Magazine ads for prescription drugs including Crestor, Xeljanz (tofacitinib citrate), Spirivia (tiotropium bromide), Prestiq, CelebrexJuly 4, 2014 by Liz GardnerMagazine ads for prescription drugs including Crestor, Xeljanz (tofacitinib citrate), Spirivia (tiotropium bromide), Prestiq, Celebrex