H. Zinsser, J.G. Hopkins and R. Gilbert, 'Notes on the Cultivation of Treponema Pallidum,' Journal of Experimental Medicine 21 (3) (1915), pp. 213-220.
H. Zinsser, J.G. Hopkins and R. Gilbert, 'Notes on the Cultivation of Treponema Pallidum,' Journal of Experimental Medicine 21 (3) (1915), pp. 213-220.