For purposes of determining eligible students under this part, in the case of a public school in a State that offers an accelerated, integrated program of study combining undergraduate premedical education and medical education leading to advanced entry, by contractual agreement, into an accredited four-year school of medicine which provides the remaining training leading to a degree of doctor of medicine, whenever in this part a provision refers to a student at a school of medicine, such reference shall include only a student enrolled in any of the last four years of such accelerated, integrated program of study.