title: Proceedings: Radioimmunoassay of progesterone: comparison of 3H-and 125I-labelled radioligands.
mesh_terms: D000818:Animals; D005260:Female; D006801:Humans; D007457:Iodine Radioisotopes; D011374:Progesterone / Q000097:blood*; D011817:Rabbits / Q000276:immunology; D011869:Radioligand Assay; D014316:Tritium
chemical_list: D007457:Iodine Radioisotopes; D014316:Tritium; D011374:Progesterone