Authors
D. Strashimirov
Specialized Hospital for Infectious and Parasitic Diseases "Prof. Ivan Kirov", Sofia, Bulgaria
Vl. Milanov
Department of Pulmonary Diseases, Medical University – Sofia, Hospital for Pulmonary Diseases "Sv. Sofia", Sofia, Bulgaria
R. Yordanova
Specialized Hospital for Infectious and Parasitic Diseases "Prof. Ivan Kirov", Sofia, Bulgaria
T. Tcherveniakova
Specialized Hospital for Infectious and Parasitic Diseases "Prof. Ivan Kirov", Sofia, Bulgaria
N. Yancheva-Petrova
Specialized Hospital for Infectious and Parasitic Diseases "Prof. Ivan Kirov", Sofia, Bulgaria
