Laparoscopic surgery in 3D improves results and surgeon convenience in sleeve gastrectomy for morbid obesity Martínez-Ubieto Fernando Aragón-Benedí Cristian Barranco-Dominguez Ignacio Tardós-Ascaso Lucía Jiménez-Bernadó Teresa Universidad de Zaragoza Pascual-Bellosta Ana Ramírez-Rodriguez José Manuel Universidad de Zaragoza Martínez-Ubieto Javier Universidad de Zaragoza Research Group in Anesthesia Resuscitation, Perioperative Medicine of Aragón Health Research Institute (IIS Aragón) Ortega-Lucea Sonia 2022 research-article