Levels of ras oncoproteins in human plasma from 1,3-butadiene-exposed workers and controls

D. Anderson1, J.A. Hughes1, M.H. Brinkworth1, K. Peltonen2, M. Sorsa2
1BIBRA International, Woodmansterne Road, Carshalton, Surrey SM5 4DS, UK
2Finnish Institute of Occupational Health, Topeliuksenkatu 41A, FIN-00250 Helsinki, Finland