Comparative study of pain in women submitted to conventional laparoscopic cholecystectomy versus single-port laparoscopic cholecystectomy oleh Júverson Alves Terra Júnior, Guilherme Azevedo Terra, Marisa de Carvalho Borges, Tharsus Dias Takeuti, Luciana Garcia Pereira Castro, Simone Souza Lima, Luciane Fernanda Rodrigues Martinho Fernandes, Alex Augusto da Silva, Eduardo Crema