ASSESSING THE IMPROVEMENT IN QUALITY OF LIFE AND OBESITY-RELATED CO-MORBIDITIES AMONG PEOPLE WHO UNDERWENT LAPAROSCOPIC SLEEVE GASTRECTOMY IN QASSIM, SAUDI ARABIA - Dr. Sultan H. Alsaigh, Eylaf S. Altheyab, Aram K. Almasaud, Ameera A. Abumismar, Reem O. Almutairi, Afnan Q. Alqahtani, Amal M. Aseri (2019)