Combined use of positive matrix factorization and 13C15N stable isotopes to trace organic matter-bound potential toxic metals in the urban mangrove sediments - Hanyi Li; Jiajia Wu; Qian Huang; Lujian Lin; Bo Yuan; Qiang Wang; Haoliang Lu; Jingchun Liu; Hualong Hong; Chonglin Yan (Science of The Total Environment, 2023)