History http://health.manager.paraxs.com/stmap_31monane.html?serophene.mentax.levitra seroflo 500 rotacap The Federal Revenue Service has won some cases in whichmergers were carried out "exclusively to generate goodwill andthus to benefit from the tax shield of such goodwill," saidCarlos Macedo, an analyst with Goldman Sachs Group Inc. In othercases in which deals took place at market-driven prices, such asItaú's or BM&FBovespa's, the agency has been less successful.