The influence of hypoglycemia on the specific quality of life in type 2 diabetes mellitus: a comparative cross-sectional study of diabetics with and without hypoglycemia in Xi'an, China. - Wu C; Ge YL; Zhang XY; Liu MC; Heng CN; Zhang LY; Du YL; He SZ; Shang L; Lang HJ (Health and quality of life outcomes, 2021)