A. LECLERC, D. LUCE, P. DEMERS, S. BELLI, U. BOLM-AUDORFF, L. BRINTON, P. COMBA, K. FUKUDA, M. GERIN, L. HARDELL, R. HAYES, C. MAGNANI, E. MERLER, S. PRESTON-MARTIN, T. VAUGHAN, W. ZHENG. (1993). Occupational risk factors for sinonasal cancer: a reanalysis of several case-control studies