US dollars <a href=" http://liffeysoundfm.ie/how-long-does-it-take-for-elavil-to-work-for-ibs.pptx ">elavil for sleeping pill</a> Merck, like Pfizer Inc, AstraZeneca Plc andSanofi in recent years, is reaching again for its axebecause of competition from generic medicines, stalled salesgrowth of its important drugs and failures or delays forhigh-profile experimental drugs.