title: Direct progesterone RIA employing magnetizable charcoal.
mesh_terms: D002606:Charcoal; D006801:Humans; D008280:Magnetics; D011374:Progesterone / Q000097:blood*; D011863:Radioimmunoassay / Q000379:methods; D011933:Reagent Kits, Diagnostic; D013696:Temperature; D013997:Time Factors
chemical_list: D011933:Reagent Kits, Diagnostic; D002606:Charcoal; D011374:Progesterone