[Are there any variations in the rate of detection of HBsAg in blood donors in the course of years? (author's transl)].
D001782:Blood Donors; D002353:Carrier State / Q000453:epidemiology*; D003604:Czechoslovakia; D006509:Hepatitis B / Q000453:epidemiology*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans
D006514:Hepatitis B Surface Antigens
Kolísá záchytnost nosicství HBsAg u dárců krve v průbĕhu let?