[Related factors and characteristics of common disease multimorbidity among primary and secondary school students in Hunan Province]. - Zhou Y; Wang F; Luo JY; Xiao SJ; Xie XY; Yu YY; Ding MY; Chen YH; Luo MY (Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi, 2026)