title: Rapid determination of plasma urea by gas chromatography.
mesh_terms: D000818:Animals; D002417:Cattle; D002645:Chickens; D002849:Chromatography, Gas; D005463:Fluoroacetates / Q000097:blood; D006801:Humans; D008722:Methods; D051381:Rats; D013045:Species Specificity; D013552:Swine; D014508:Urea / Q000097:blood*
chemical_list: D005463:Fluoroacetates; D014508:Urea