1.Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine. 可以通过主动免疫接种多价灭活疫苗或亚单位疫苗预防流感. 来自互联网
2.AN EXPERIMENTAL STUDY ON THE FORMALIZED AND ADSORBED BACTERIN FOR ACTIVE IMMUNIZATION AGAINST SWINE ERYSIPELAS ( SECOND REPORT ) 猪丹毒?溲趸?X甲醛菌苗研究 ( 第二报 ) 来自互联网 |
