TY - GEN AU - Ioniţă,E AU - Lupulescu,E AU - Constantinescu,C AU - Niculescu,I T AU - Creţescu,L TI - The effect of vitamin A on some biological properties of type B influenza virus SN - 0004-0037 PY - 1989///0711 KW - Adsorption KW - Animals KW - Antibodies, Viral KW - analysis KW - Antigens, Viral KW - immunology KW - Chick Embryo KW - Guinea Pigs KW - Hemagglutination Inhibition Tests KW - Humans KW - Immunization KW - Influenza A virus KW - Influenza B virus KW - drug effects KW - Influenza Vaccines KW - Vitamin A KW - pharmacology N1 - Publication Type: Comparative Study; Journal Article ER -