1. Reply to Letter to the Editor: Re: Preoperative versus intraoperative endoscopic sphincterotomy for management of common bile duct stones. Surg Endosc (Online first)

   • Ahmed Abdel-Raouf El-Geidie

   Letter 27 February 2011 Pages: 2759 - 2759

2. Modification of laparoscopic subtotal cholecystectomy

   • Kuldip Singh
   • Harish Matta
   • Raghav Kumar

   Letter 18 March 2011 Pages: 2760 - 2760

3. Proximal gastric cancer: advances of laparoscopic surgery

   • Charalambos Batsis

   Letter 17 March 2011 Pages: 2761 - 2763

4. Single-incision laparoscopic surgery for colorectal cancer

   • Christof Hottenrott

   Letter 17 March 2011 Pages: 2764 - 2765

5. Linking epidermal growth factor plasma levels with the prognosis and treatment response of colorectal cancer patients treated with a minimally invasive approach: does it have clinical utility?

   • John Spiliotis
   • Odysseas Zoras

   Letter 17 March 2011 Pages: 2766 - 2767

6. Author reply

   • Michael Grieco
   • Richard L. Whelan

   Letter--Reply 02 May 2011 Pages: 2768 - 2768

7. Challenges with identification of angiogenesis biomarkers in cancer

   • Eugenia Halkia
   • Nikolaos Kalinoglou

   Letter 13 April 2011 Pages: 2769 - 2770

8. Dangerous minimally invasive surgery: correct proposal

   • Elias Karakas
   • Thorsten Steinfeldt
   • Detlef K. Bartsch

   Letter-Reply 27 February 2011 Pages: 2771 - 2772