A few months <a href=" http://www.davismccabe.com/buy-atrovent-hfa.pdf ">generic atrovent nasal spray</a> Russia, a longtime ally of Assad, sees the rebels as the chief instigator of civil war in Syria. It has blocked three U.N. resolutions aimed at pressuring Assad to end violence, but is involved in talks on a plan enabling the Syrian leader to give up his chemical weapons to avoid possible U.S. military strikes.