Conservative treatment of acute thrombosed external hemorrhoids with topical nifedipine
Comparison of pulmonary function and postoperative pain after laparoscopic versus open gastric bypass: a randomized trial.
Is laparoscopic appendectomy safe in pregnant women?
Laparoscopic vs open appendectomy in overweight patients
A prospective randomized comparison of laparoscopic appendectomy with open appendectomy: clinical and economic analyses.
Randomized trial of choledochocholedochostomy with or without a T tube in orthotopic liver transplantation
Transjugular intrahepatic portosystemic shunt (TIPS) versus endoscopic variceal ligation in the prevention of variceal rebleeding in patients with cirrhosis: a randomised trial
Stoma-related complications are more frequent after transverse colostomy than loop ileostomy: a prospective randomized clinical trial