Characteristics and Risk Assessment of 16 Metals in Street Dust Collected from a Highway in a Densely Populated Metropolitan Area of Vietnam oleh Van-Truc Nguyen, Nguyen Duy Dat, Thi-Dieu-Hien Vo, Duy-Hieu Nguyen, Thanh-Binh Nguyen, Ly-Sy Phu Nguyen, Xuan Cuong Nguyen, Viet-Cuong Dinh, Thi-Hong-Hanh Nguyen, Thi-Minh-Trang Huynh, Hong-Giang Hoang, Thi-Giang Huong Duong, Manh-Ha Bui, Xuan-Thanh Bui