REFERENCES
- Adler, S., and Ashbel, R. (1937). Observations on Spirochaeta sogdianum Nicolle and Anderson, 1928, in laboratory animals. Ann. Trop. Med. & Parasitol. Vol, 31, 89.
- Adler, S., and Ashbel, R. (1942). The behaviour of Spirochaeta persica in Pediculus humanus. Ibid. Vol, 36, 83.
- Cunningham, J. (1925). Serological observations on relapsing fever in Madras. Trans. Roy. Soc. Trop. Med. & Hyg. Vol, 19, 11.
- KroÓ, H. (1925). Beitrag zur Biologie der Recurrensspirochäten. Klin. Woch. Vol, 4, 1355.
- Meleney, H. E. (1928). Relapse phenomena of Spironema recurrentis. Jl. Exper. Med. Vol, 48. 65.