Polybrominated diphenyl ethers in urban Jinan, eastern China: Characterization, source identification, and respiratory exposure assessmentHouyong Zhang, Guang Pan, Houquan Tang, Xuan Ge, Mingyue Du, Shengzeng Li and Zaifeng WangE3S Web of Conf., 393 (2023) 01023DOI: https://doi.org/10.1051/e3sconf/202339301023