Have you got any experience? <a href=" http://iibf.uludag.edu.tr/?buy-metformin-1000-mg.pdf ">can u buy metformin over the counter</a> Most investors expect longer-dated U.S. Treasuries to hold up fairly well in the leadup to the debt ceiling showdown, and perhaps to rally even in the event of a default. That's what happened in 2011 when the U.S. credit rating was downgraded.