Ben Muse has a series of posts on international trade in healthcare:

• The “local-market bias” in consumption of health care (Aaditya Mattoo and Randeep Rathindran)
• “We Need Free Trade in Health Care” (Jagdish Bhagwati)
• How to get more foreign nurses (Hanlon Law Group)
• “Health Reform and International Trade: Lost Opportunity?” (AEI)