title: Interference in a two-site immunoradiometric assay for thyrotropin in a child.
mesh_terms: D000918:Antibody Specificity; D001666:Binding Sites, Antibody; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000175:diagnosis; D011863:Radioimmunoassay / Q000379:methods; D013972:Thyrotropin / Q000097:blood*
chemical_list: D013972:Thyrotropin