Schmitt, N., Bowmer, E. J., Simon, P. C., Arneil, A. S., & Clark, D. A. (1972). Trichinosis from bear meat and adulterated pork products: A major outbreak in British Columiba, 1971.

Schmitt, N., E. J. Bowmer, P. C. Simon, A. S. Arneil, ja D. A. Clark. Trichinosis From Bear Meat and Adulterated Pork Products: A Major Outbreak in British Columiba, 1971. 1972.

Schmitt, N., et al. Trichinosis From Bear Meat and Adulterated Pork Products: A Major Outbreak in British Columiba, 1971. 1972.