International Federation of Clinical Chemistry (IFCC), Office for Reference Methods and Materials (ORMM). Methodological aspects on quantitative mass spectrometry used for accuracy control in clinical chemistry.
D055598:Chemical Phenomena; D002624:Chemistry, Clinical / Q000295:instrumentation*; D002627:Chemistry, Physical; D002849:Chromatography, Gas; D013058:Mass Spectrometry / Q000592:standards; D011786:Quality Control