Individual and joint association between per- and polyfluoroalkyl substances and skeletal muscle among 6-9 years old children in China. - Liao, Xue-Mei; Lin, Li-Zi; He, Wan-Ting; Zhang, Yun-Ting; Guo, Si-Hui; Liang, Shu-Jun; Hong, Zhen; Zhang, Zhe-Qing; Dong, Guang-Hui; Wei, Qin-Zhi (International Journal of Hygiene & Environmental Health, 2026)