title: Determination of cytokinins by mass spectrometry based on stable isotope dilution.
mesh_terms: D003583:Cytokinins / Q000032:analysis*; D004355:Drug Stability; D007541:Isopentenyladenosine / Q000031:analogs & derivatives / Q000032:analysis; D013058:Mass Spectrometry / Q000379:methods; D010937:Plant Growth Regulators / Q000032:analysis*; D011865:Radioisotope Dilution Technique; D015026:Zeatin / Q000031:analogs & derivatives / Q000032:analysis
chemical_list: D003583:Cytokinins; D010937:Plant Growth Regulators; D007541:Isopentenyladenosine; D015026:Zeatin