This is an interview question you can ask the interviewer. Aside from test scores, research is one of the few ways you can stand out from your colleagues when applying for fellowships. If research opportunities exist in the program, it is important to clarify which ones exist as getting authorship of a publication on prospective clinical studies or basic science research can take many years while getting one in a retrospective clinical study, particularly one that already has a database built, can be done relatively fast.