Vaccination: its birth, death and resurrection. Eighth Burnet lecture of the Australian Academy of Science, 1985.
Aust J Exp Biol Med Sci. 1985 Dec 1; 63 ( Pt 6): 607-22.
Has horsepox become extinct?
Vet. Rec. 2013 Sep 21; 173 (11): 272-3.
Risks and benefits of vaccinia vaccine use in the worldwide smallpox eradication campaign.
Res. Virol. 1989 Sep 1; 140 (5): 465-6; discussion 487-91.