Association of paraoxonase (PON1) polymorphisms and activity with colorectal cancer predisposition

by Tugrul Demirel, Ilhan Yaylim, Hayriye Arzu Ergen, Mustafa Kayihan Gunay, Yaman Tekant, Turgay Isbir
Published 2021-01-01

Single-Port Transumbilical Laparoscopic Appendectomy: A Preliminary Multicentric Comparative Study in 87 Patients with Acute Appendicitis

by Ramon Vilallonga, Umut Barbaros, Ahmed Nada, Aziz Sümer, Tuğrul Demirel, José Manuel Fort, Oscar González, Manuel Armengol
Published 2012-01-01

Single-port transumbilical laparoscopic cholecystectomy: A prospective randomised comparison of clinical results of 140 cases

by Ramon Vilallonga, Umut Barbaros, Aziz Sümer, Tugrul Demirel, José Manuel Fort, Oscar González, Nivardo Rodriguez, Manuel Armengol Carrasco
Published 2012-01-01