Read the paper available at
http://www.stat.umn.edu/~sandy/courses/8801/articles/OralApplianceForSleepApnea.pdf
This is a survey paper on the effectiveness of a ``dental appliance'' in treating obstructive sleep apnea. The corresponding statistical method for studying lots of studies is called meta-analysis. We will discuss the statistical issues in this paper.
Discussion date for this paper is February 20.