Abstract
Jiang, LY; Hu, JZ
Hu, JZ (corresponding author), Cent South Univ, Xiangya Hosp, Dept Spine Surg, Changsha, Hunan, Peoples R China.; Hu, JZ (corresponding author), Cent South Univ, Xiangya Hosp, Natl Clin Res Ctr Geriatr Disorders, Changsha 410008, Peoples R China.
BMJ-BRITISH MEDICAL JOURNAL, 2021; 373 ():