. . . . . . "Carcinogenic risks, strategies for intervention = = Risques canc\u00E9rog\u00E8nes, strat\u00E9gies d'intervention : proceedings of a symposium held at the International agency for research on cancer, Lyon, France, 30 November-2 December 1977 / organised by IARC and Institut national de la sant\u00E9 et de la recherche m\u00E9dicale (National Institute of health and medical research) ; ed. W. Davis and C. Rosenfeld / Lyon : IARC , 1979" . "1979"^^ . . . . . . "16"^^ . . .