HBsAb阴性者接种乙肝疫苗后影响HBsAb无或弱应答因素的探讨
HBsAb음성자접충을간역묘후영향HBsAb무혹약응답인소적탐토
Discussion of HBsAb weak or non-response affecting factors after HBsAb negative impact on immunization hepatitis B vaccine