title: Radioimmunoassay of progesterone in crude serum extracts using tritiated and (125I) radioiodinated tracers.
mesh_terms: D003429:Cross Reactions; D005260:Female; D006801:Humans; D007457:Iodine Radioisotopes; D008297:Male; D008598:Menstruation; D011247:Pregnancy; D011374:Progesterone / Q000097:blood* / Q000276:immunology; D011863:Radioimmunoassay / Q000379:methods*; D014316:Tritium
chemical_list: D007457:Iodine Radioisotopes; D014316:Tritium; D011374:Progesterone