Could you please repeat that? <a href=" http://www.diabeticcareassociates.com/vigora-100-sildenafil.pdf ">vigora nebenwirkungen</a> A Republican staffer said Republicans hope to uncover at the hearing any problems that lie ahead for the IRS as it works to implement the healthcare law. Republicans have demanded defunding or delaying the law and last week shut down the federal government over the issue.