L. Loewe, S. Ritter and G. Baehr, 'The Cultivation of Rickettsia-like Bodies in Typhus Fever,' Journal of the American Medical Association 77 (25) (1921), pp. 1967-1969.
L. Loewe, S. Ritter and G. Baehr, 'The Cultivation of Rickettsia-like Bodies in Typhus Fever,' Journal of the American Medical Association 77 (25) (1921), pp. 1967-1969.