Policy Options and the Impact of National Health Insurance
New England Journal of Medicine
http://www.nejm.org/doi/full/10.1056/NEJM197406132902404
Issues in the Analysis and Design of the Experimental Portion of the Health Insurance Study
American Statistical Association
http://www.rand.org/content/dam/rand/pubs/reports/2009/R1484.pdf
The scintigraphic definition of pulmonary embolism
Journal of the American Medical Association
http://jama.jamanetwork.com/article.aspx?articleid=352956
The Economics of Group Practice
The Journal of Human Resources
http://www.jstor.org/discover/10.2307/144634?uid=3739256&sid=21102007250923