Dr. Munavvar Izhar CEO of Medical student rotation.com emphasizes that Cores, Electives, Observer ships and Externships play a very significant role when it comes to United States Clinical Experience and subsequent success in residency match. It is only during these rotations that the foreign medical students get to learn and get acquainted by the  US Health Care system. Clinical Experience opportunities under top attending physicians is the best experience a FMG can have. This is what the students at Medical Student Rotation.com get.