Commentary to “Mortality from bladder cancer in dyestuff workers exposed to aromatic amines: a 73-year follow-up” by C. Ciocan et al. - Terracini, Benedetto; Ciocan, Catalina; Godono, Alessandro; Pira, Enrico; Franco, Nicolò; La Vecchia, Carlo; Negri, Eva; Boffetta, Paolo (La Medicina del Lavoro, 2022)