A clinical evaluation of amlexanox oral adhesive pellicles in the treatment of recurrent aphthous stomatitis and comparison with amlexanox oral tablets:a randomized, placebo controlled, blinded, multicenter clinical trial.
In addition to accessing the Form 656 and Form 656-L online, you may obtain it by calling the IRS toll free number 1-800-829-3676 or by visiting your local IRS office. This entry was posted in IRS Tax Advice, Tax News. Bookmark the permalink.
How to Contact the IRS By IRS Customer Service Numbers Individual telephone assistance can be obtained by dialing 1-800-829-1040 Monday through Friday from 7 AM to 7 PM.