TY - JOUR T1 - Respiratory cancer in nickel carbonyl refinery workers JF - Occupational and Environmental Medicine JO - Occup Environ Med SP - 856 LP - 856 VL - 63 IS - 12 AU - T Sorahan AU - S P Williams Y1 - 2006/12/01 UR - http://oem.bmj.com/content/63/12/856.1.abstract N2 - Grimsrud and Peto1 have usefully compared our recent findings of respiratory cancer risks in nickel carbonyl refinery workers first employed at the Clydach plant in the period 1953–922 with those of earlier year-of-hire cohorts.3 We did highlight the elevated SMR for nasal cancer in our study but epidemiological interpretation is not possible given that it is based on a single death. … ER -