Laparoscopic common bile duct exploration versus pre or post-operative ERCP for common bile duct stones in patients undergoing cholecystectomy: Is there any difference?

Link:  http://www.journal-surgery.net/article/S1743-9191%2814%2900195-2/fulltext

Systematic Review of Learning Curves for Minimally Invasive Abdominal Surgery: A Review of the Methodology of Data Collection, Depiction of Outcomes, and Statistical Analysis.

Link:

http://journals.lww.com/annalsofsurgery/Fulltext/2014/07000/Systematic_Review_of_Learning_Curves_for_Minimally.10.aspx