E. Frei

Acute appendicitis

Year unknown L. Krähenbühl, E. Frei, Ch Klaiber, M. W. Buechler, and E. H. Farthmann

Acute Appendicitis : Standard Tre...

Acute Appendicitis : Standard Treatment or Laparoscopic Surgery?

Year unknown L. Krähenbühl, E. Frei, C. Klaiber, and M. W. Büchler

Five Years of Laparoscopic Cholec...

Five Years of Laparoscopic Cholecystectomy : a Reappraisal

Year unknown M. W. Büchler, E. Frei, C. Klaiber, and L. Krähenbühl

Gastroesophageal Reflux Disease :...

Gastroesophageal Reflux Disease : Back to Surgery?

Year unknown L. Krähenbühl, M. W. Büchler, E. Frei, and C. Klaiber

Laparoscopic hernia repair

Year unknown M. W. Buchler, E. Frei, and Ch Klaiber

Laparoscopic Hernia Repair : a Ne...

Laparoscopic Hernia Repair : a New Standard?

Year unknown M. W. Büchler, E. Frei, C. Klaiber, and A. Metzger