title: Quantitation of plasma levels of propoxyphene and norpropoxyphene by combined use of stable isotope labeling and selected ion monitoring.
mesh_terms: D000818:Animals; D002849:Chromatography, Gas; D003903:Deuterium; D011431:Dextropropoxyphene / Q000097:blood*; D004285:Dogs; D007553:Isotope Labeling; D008297:Male; D013058:Mass Spectrometry; D008722:Methods; D008832:Microchemistry; D051381:Rats; D013045:Species Specificity
chemical_list: D003903:Deuterium; D011431:Dextropropoxyphene