TY - GEN AU - Yu,De-shan AU - Li,Hong-yu AU - Gao,Xu-ming TI - [Analysis of influenza type A(H1N1) antibody levels in different population in Gansu province] SN - 1006-916X PY - 2010///1005 KW - Adolescent KW - Adult KW - Age Distribution KW - Antibodies, Viral KW - blood KW - Child KW - Child, Preschool KW - China KW - epidemiology KW - Female KW - Humans KW - Influenza A Virus, H1N1 Subtype KW - immunology KW - Influenza Vaccines KW - administration & dosage KW - Influenza, Human KW - Male KW - Middle Aged KW - Young Adult N1 - Publication Type: English Abstract; Journal Article ER -