Exploring Urban Green Spaces' Effect against Traffic Exposure on Childhood Leukaemia Incidence - Ojeda Sánchez, Carlos; García-Pérez, Javier; Gomez-Barroso, Diana; Domínguez-Castillo, Alejandro; Pardo Romaguera, Elena; Cañete, Adela; Ortega-García, Juan Antonio; Ramis, Rebeca; Instituto de Salud Carlos III (2023)