Placental transfer efficiencies of multiple metals: Patterns, and influence factors - Yu Li; Xianglian Peng; Nian Liu; Hua Guo; Yurong Jia; Wenjing Li; Ziyin Liang; Po Tang; Guohuan Zhang; Qinfei Zhou; Yong Liang; Ligang Hu; et al. (Journal of Environmental Sciences, 2026)