References
- Mackie , Browning . 1918 . Applied Bacteriology 184 London
- Browning and Mackie . 1914 . Zeit. f. Immunitäts , xxi : 422 Heft 1–5
- Levy . 1905 . Journ. of Infect. Dis. , ii : 1
- Muir and Browning . 1909 . Vide Muir's Studies on Immunity London
- McNeil . 1911 . Journ. of Path. and Bact. , xv : 56