Authors: Yerdel, MA Karayalcin, K Koyuncu, A Akin, B Koksoy, C Turkcapar, AG Erverdi, N Alacayir, I Bumin, C Aras, N

Citation: Ma. Yerdel et al., Direct trocar insertion versus Veress needle insertion in laparoscopic cholecystectomy, AM J SURG, 177(3), 1999, pp. 247-249