Teva, Greenstone roll out Viagra generics in U.S.
NEW YORK — The first generic versions of Viagra, Pfizer Inc.’s blockbuster drug for erectile dysfunction, were launched this week in the United States by Teva Pharmaceutical Industries Ltd. and Greenstone LLC. Israel-based Teva said it’s offering sildenafil citrate tablets in dosages of 25 mg, 50 mg and 100 mg. Greenstone, a Peapack, N.J.-based Pfizer subsidiary,
