title: Applications and limitations of automatic instruments for radioimmunoassays.
mesh_terms: D004964:Estriol / Q000097:blood; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D011247:Pregnancy; D011388:Prolactin / Q000097:blood; D011863:Radioimmunoassay / Q000295:instrumentation*; D011933:Reagent Kits, Diagnostic; D013974:Thyroxine / Q000097:blood; D014284:Triiodothyronine / Q000097:blood
chemical_list: D011933:Reagent Kits, Diagnostic; D014284:Triiodothyronine; D011388:Prolactin; D004964:Estriol; D013974:Thyroxine; D006854:Hydrocortisone