University or Research center in medical research field in USA OR Canada to accept Egyptian medical graduate?

I've been graduated from a medical school in Egypt. Now I'd like to continue and to study for master and Ph.D. in the field of "medical research" in USA OR Canada. My questions are: Is there any advice regarding particular University or Research center to which I might apply? Also is there any information regarding tuition fees, Visa issue and living expenses.University or Research center in medical research field in USA OR Canada to accept Egyptian medical graduate?
Go2 Kingodm of Saudi Arabia