title: [Basic studies on quantitative determination of plasma estrogen by the double isotope derivative assay].
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002845:Chromatography; D004967:Estrogens / Q000097:blood*; D005260:Female; D006801:Humans; D007202:Indicators and Reagents; D008297:Male; D008722:Methods; D051381:Rats; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D004967:Estrogens; D007202:Indicators and Reagents; D014316:Tritium