title: Trial of a micro-ELISA system for detecting hepatitis B surface antigen.
mesh_terms: D004797:Enzyme-Linked Immunosorbent Assay; D005069:Evaluation Studies as Topic; D005260:Female; D006509:Hepatitis B / Q000517:prevention & control; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007124:Immunoenzyme Techniques; D008403:Mass Screening / Q000379:methods
chemical_list: D006514:Hepatitis B Surface Antigens