32.
33.
Prieto-Díaz-Chávez E, Medina-Chávez JL, González-Ojeda A, Anaya-Prado R, Trujillo-Hernández B, Vásquez C (2006) Direct trocar insertion without pneumoperitoneum and the Veress needle in laparoscopic cholecystectomy : a comparative study. Acta Chir Belg 106(5):541–544PubMed
34.
35.
36.
37.
Kitano S, Iso Y, Moriyama M, Tomikawa M, Sugimachi K (1993) A prospective randomized trial comparing pneumoperitoneum and U-shaped retractor elevation for laparoscopic cholecystectomy. Surg Endosc 7:311–314PubMedCrossRef

Stay updated, free articles. Join our Telegram channel

Full access? Get Clinical Tree

