Francis E (1921). "Tularemia. I. The occurrence of tularemia in nature as a disease of man". Public Health Rep (36): 1731–53. doi:10.2307/4576069. JSTOR4576069.
Francis E (1921). "Tularemia. I. The occurrence of tularemia in nature as a disease of man". Public Health Rep (36): 1731–53. doi:10.2307/4576069. JSTOR4576069.