title: Sub-microgram per gram concentrations of mercury in orchard leaves determined by isotope dilution and spark-source mass spectrometry.
mesh_terms: D004785:Environmental Pollutants / Q000032:analysis; D007201:Indicator Dilution Techniques; D007553:Isotope Labeling; D013058:Mass Spectrometry; D008628:Mercury / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D010944:Plants / Q000032:analysis
chemical_list: D004785:Environmental Pollutants; D008628:Mercury