PREVALENCE OF HBsAg AND anti-HBs CARRIERS IN PREGNANT WOMEN WHO RESIDE IN DIFFERENT ENDEMIC AREAS LOCATED IN CENTRAL-SOUTHERN DEPARTAMENTS OF PERU
Prevalencia de Portadoras de HBsAg y anti -HBs en Gestantes Residentes en Areas de Diferente Endemicidad de HVB en Departamentos del Centro - Sur del Perú