HigginsonJ. (1969) In: Proceedings of the Eighth Canadian Cancer Conference, Honey Harbour, Ontario, 1968. Toronto; pp 40–75
3.
HigginsonJ. (1973a) In: Proceedings of the 24th Annual Symposium on Fundamental Cancer Research, Houston, Texas, March 1971 (in press)
4.
HigginsonJ. (1973b) In: Proceedings of the Conference on Host-Environment Interactions in the Etiology of Cancer in Man – Implementation in Research, Primosten, Yugoslavia, August 1972 (in press)
5.
International Agency for Research on Cancer (1972) Annual Report, 1971. Lyons
6.
KmetJMahboubiE. (1972) Science175, 846
7.
National Panel of Consultants on the Conquest of Cancer (1971) Report prepared for the Committee on Labor and Public Welfare, United States Senate. Washington, DC
8.
PlowrightWLinsellC APeersF G. (1971) British Journal of Cancer25, 72