Vol 25 (1988) - Original Articles
CHARACTERIZATION O F SOME BIOLOGICAL MARKERS AND ANTIGENIC STRUCTURE OF INFLUENZA VIRUSES TYPE A ISOLATED DURING THE PERIOD 1986-1987 IN SEVERAL DISTRICTS OF NORTH-EASTERN BULGARIA AbstractPDF
Vol 21 (1984) - Original Articles
SOME PHYSICO-CHEMICAL PROPERTIES OF NEURAMINIDASE AS A COMPONENT OF INFLUENZA VIRUS TYPE A. STUDY OF THE INFLUENCE OF CA2+ UPON NEURAMINIDASE ACTIVITY (N2) OF STANDARD INFLUENZA VIRUS A/SINGAPORE/ 1 (H2N2) AND A/HONG KONG/1/68 (H3N2) STRAINS/57 AbstractPDF
Vol 21 (1984) - Original Articles
SOME PHYSICO-CHEMICAL CHARACTERISTICS OF NEURAMINIDASE AS A COMPONENT OF THE INFLUENZA VIRUS TYPE A. STUDY OF THE INFLUENCE OF Ca2+ UPON NEURAMINIDASE ACTIVITY (N2) OF STANDARD STRAINS INFLUENZA VIRUSES: A/VICTORIA/35/72 (H3N2) AND A/TEXAS/1/77 (H3N2) AbstractPDF
Vol 27 (1990) - Original Articles
DETERMINATION OF THE ANTIGENIC PROFILE OF THE NEURAMINIDASE COMPONENT OF SOME STANDARD AND LOCAL INFLUENZA VIRUS TYPE A STRAINS ACCORDING TO RIHA AbstractPDF
Vol 26 (1989) - Original Articles
STUDY OF THE ANTIGENIC STRUCTURE, IMMUNOLOGICAL ACTIVITY AND SOME GENETIC MARKERS OF INFLUENZA VIRUSES ISOLATED IN 1987 - 1988 AbstractPDF