A very interesting blog from the BMJ Group Blogs, that highlights the shortcomings of the current editorial systems of the medical journals and therefore the quality of data in them..
http://blogs.bmj.com/bmj/2013/09/24/richard-smith-medical-journals-a-colossal-problem-of-quality/
http://blogs.bmj.com/bmj/2013/09/24/richard-smith-medical-journals-a-colossal-problem-of-quality/
