title: Relationship of sulphur content in tree leaves to SO2 concentration in air.
authors.affiliation: Institute of Forestry and Soil Science, Academia Sinica, Shenyang, China.
authors.forename: X Z
authors.initials: XZ
authors.lastname: Li
authors.forename: Y B
authors.initials: YB
authors.lastname: Zhang
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D013455:Sulfur / Q000032:analysis*; D013458:Sulfur Dioxide / Q000032:analysis*; D014197:Trees / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D013458:Sulfur Dioxide; D013455:Sulfur