Epidemiological profile and postoperative complications of women undergoing gynecological surgery in a reference center in the northern brazilian legal amazon oleh Sônia Maria Coelho, Elizabeth de La Trinidad Castro Perez, Cynthia Dantas de Macedo Lins, Mariano Tamura Vieira Gomes, Zsuzsanna Illona Katalin de Jármy Di Bella, Marina de Paula Andres, Sergio Podgaec