title: Variability of standard curves in radioimmunoassay of plasma digoxin.
mesh_terms: D004077:Digoxin / Q000097:blood* / Q000592:standards / Q000627:therapeutic use / Q000633:toxicity; D005069:Evaluation Studies as Topic; D006801:Humans; D007456:Iodine Isotopes; D011786:Quality Control; D011863:Radioimmunoassay / Q000592:standards; D014316:Tritium
chemical_list: D007456:Iodine Isotopes; D014316:Tritium; D004077:Digoxin