J. Hum. Genet. 15 (12): 1193–202. doi:10.1038/sj.ejhg.5201933. PMID 17940554. == External links ==
Since that time, it has achieved blockbuster drug status with global sales of US$1.87B in 2004 (with $1.49B coming from the United States). AMRI received royalty payments from Aventis that enabled the growth of AMRI.In January 2011, the FDA approved over-the-counter sales of fexofenadine in the United States, and Sanofi Aventis version became available in March 2011.