International Journal of Infectious Diseases: 360—364.
Tidsskrift for Den Norske Laegeforening: Tidsskrift for Praktisk Medicin, Ny Raekke.
The Threat of Pandemic Influenza: Are We Ready? Philosophical Transactions of the Royal Society of London.
Murfreesboro, TN: Timberlane Books.
Canadian Bulletin of Medical History.
Series B, Biological Sciences.