TY - GEN AU - Oya,A TI - [Chemical components of pathogens and the mechanism of their virulence: development of viral vaccines] SN - 0047-1852 PY - 1987///0128 KW - Allergy and Immunology KW - Genetic Engineering KW - Technology, Pharmaceutical KW - Viral Vaccines KW - Virulence KW - Viruses KW - pathogenicity N1 - Publication Type: Journal Article ER -