Nancy1: Forgot something. The professor is only interested in publishing paper in journal. My friend is required to publish three papers in journal for the permission to graduate (master, phd combination). GRE and Toefl are essential but not the most important issue. Try to show your ability in publishing paper. Send your previous paper to induce an interview chance. Remind you never try to meet your potential supervisor without an appointment. I saw many students to do this but only make things worse in 99% cases.
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Why not go to U.S pursue your PhD degree? They will give your more money and the permission would be much easier( as long as not a top 10 univerty). Holding a U.S medical degree almost guarantee you obtain a job in North America.