Hotz, P., Carbonnelle, P., de Geyter, B., Delavignette, J. P., & Lauwerys, R. (1997). Biological monitoring and occupational health surveillance in mechanics. Annales medicinae militaris belgicae, 11(2), 50-57. https://hdl.handle.net/2078.5/114614 (Original work published 1997)