Complex ventral hernia secondary to giant omphalocele managed by preoperative pneumoperitoneum and botulinum toxin: A case report oleh Mario Javier Peña García, Alejandro Alberto Peñarrieta Daher, Ivan Medina López, Sofía Brenes Guzmán, Cristian Zalles Vidal, Gustavo Teyssier Morales, Jaime Penchyna Grub, Jaime Nieto Zermeño, Ricardo Reynoso González