Xiong L, Han M, Wang C, Liu K, Liu T. Frailty is an independent determinant of COVID-19 vaccine hesitancy in the elderly: a cross-sectional study: Frailty is a determinant of COVID-19 vaccine hesitancy. Cell Mol Biol (Noisy-le-grand) [Internet]. 2022 Apr. 30 [cited 2024 May 5];68(4):202-7. Available from: https://www.cellmolbiol.org/index.php/CMB/article/view/4382