Authors
G. Popova
Medical University of Plovdiv, Department of Infectious diseases, Parasitology and Tropical Medicine, Section of Parasitology, St. George University Hospital, Plovdiv, Bulgaria
D. Vuchev
Medical University of Plovdiv, Department of Infectious diseases, Parasitology and Tropical Medicine, Section of Parasitology, St. George University Hospital, Plovdiv, Bulgaria
K. Anichina
University of Chemical Technology and Metallurgy, Sofia, Bulgaria