Quaternary ammonium compounds in paired indoor dust and human urine: suspect screening and exposure associations - Fangyi Li; Zhendong Yang; Tingyu Li; Jiayong Lao; Kenneth M.Y. Leung; Xueyu Cheng; Zhengzhe Wan; Yong Liang; Ting Ruan; Guibin Jiang (Environmental Pollution, 2026)