Kauppinen, Timo, Pirjo Heikkilä, Nils Plato, Torill Woldbæk, kaare lenvik, Johnni Hansen, Vidir Kristjansson, and Eero Pukkala. 2009. “Construction of Job-Exposure Matrices for the Nordic Occupational Cancer Study (NOCCA)”. Acta Oncologica 48 (5):791-800. https://doi.org/10.1080/02841860902718747.