Lower Glycosylated Hemoglobin Is Associated With Lower In-Hospital Mortality in Patients With COVID-19: A Systematic Review of the Literature and Meta-Analysis. - Tsikala Vafea M; Traboulsi C; Stefanovic-Racic M (Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists, 2024)