Importance of medical school when considering research

I think everyone who has ever come on here is aware that it not really important which medical school you attended as all medical schools have to adhere to a minimum regulated requirement etc etc. However if someone was pondering the possibility of going into some sort of clinical research would the university attended then become more significant? As in are some schools more exhaustive in their theoretical teaching and therefore considered more desirable for research opportunities?

As a follow up question, what are the opportunities of doing a phd for most medical schools? I know Newcastle actually let you do one during the course if you so wish, but I don't think anywhere else has a similarly established system. Can anyone shed any light on this?

I was going to reply but then I saw your username.