title: Description of a micro-RIA for the detection of HBsAg.
mesh_terms: D002353:Carrier State / Q000175:diagnosis; D003937:Diagnosis, Differential; D006509:Hepatitis B / Q000175:diagnosis; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D011863:Radioimmunoassay / Q000379:methods*
chemical_list: D006514:Hepatitis B Surface Antigens