by Santibáñez-Koref, M.F., Birch, J.M., Hartley, A.L., Crowther, D., Harris, M., Morris Jones, P.H., Kelsey, A.M., Craft, A.W., Eden, T.
Published in The Lancet (British edition) (14.12.1991)

by Hartley, A.L.
Published in Clinical Oncology (1992)

by Johnston, H E, Mann, J R, Williams, J, Waterhouse, J A, Birch, J M, Cartwright, R A, Draper, G J, Hartley, A L, McKinney, P A, Hopton, P A
Published in Carcinogenesis (New York) (01.05.1986)