Integrated chemical and effects-based assessment of sediment contamination in the Saemangeum coastal area, South Korea - Songyeon Lee; Jiyun Gwak; Jihyun Cha; Junghyun Lee; Jae Joong Kang; Sunggyu Lee; Kongtae Ra; Jong Seong Khim; Seongjin Hong (Marine Pollution Bulletin, 2026)