A simple, solid-phase iodine-125 radioimmunoassay for theophylline.
D006801:Humans; D007457:Iodine Radioisotopes; D011863:Radioimmunoassay / Q000379:methods; D013806:Theophylline / Q000097:blood*
D007457:Iodine Radioisotopes; D013806:Theophylline