title: Vapor phase determination of blood ammonia by an optical waveguide technique.
mesh_terms: D000596:Amino Acids / Q000097:blood; D000641:Ammonia / Q000097:blood*; D001806:Blood Urea Nitrogen; D003401:Creatine / Q000097:blood; D006801:Humans; D008027:Light; D014835:Volatilization
chemical_list: D000596:Amino Acids; D000641:Ammonia; D003401:Creatine