1. Anderson F, Magnarelli L. Epizootiology of Lyme disease: Causing Borreliae. Clinics in Dermatology 1993; 11: 339?351.
2. Angelov L, Arnaudov D, Rakajieva T, Kostova E. Studies of epizootiological process with Lyme borreliosis in Bulgaria. Infectology 1993; 5: 12?14.
3. Angelov L, Aesclimann A, Korenberg E, et al. Data on the Cpidemiology of Lyme disease in Bulgaria. Med Parazitol Parazit Bolezni 1990; 4: 13?14.
4. The European Seminar on Lyme Borreliosis. Prague, Czechoslovakia, 1989; 14?17.
5. Rockstroh T, Mochmann H, Stanek G. Lyme borreliosis by contact infection. Zentralbl Bacteriol 1989; 18 (suppl) 40?41.