Laparoscopic versus standard appendectomy outcomes and cost comparisons in the private sector - Bresciani, Claudio; Perez, Rodrigo Oliva; Habr Gama, Angelita; Jacob, Carlos Eduardo; Ozaki, Alberto; Batagello, Carlos; Proscurshim, Igor; Gama-Rodrigues, Joaquim Jose (Journal of Gastrointestinal Surgery, 2005)