FDAnews
www.fdanews.com/articles/114460-bayer-starts-phase-iii-study-of-lung-drug-riociguat

Bayer Starts Phase III Study of Lung Drug Riociguat

February 9, 2009
Bayer AG has entered phase III of testing its experimental pulmonary-hypertension drug riociguat after the pill showed promise in an earlier trial, the company said.
CNBC