Nguyen, V. V. “Some Comments on Osteoporosis in 64 Patients Had Cushing’s Syndrome by Long-Term Using of Glucocorticoids at the Endocrinology Department of Hai Duong General Hospital”. Vietnam Journal of Diabetes and Endocrinology, số p.h 36, Tháng Giêng 2021, tr 60-67, https://vjde.vn/journal/article/view/111.