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3 results
  1. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... 268.552.775 Radium D01.268.552.850 Strontium D01.268.552.850.500 Strontium Isotopes D01.268.552.850.500.685 Strontium Radioisotopes D01.268.556 Metals, Heavy D01.268. ...
  2. pdf2016MeshTree.pdf 
    https://www.nlm.nih.gov/mesh/2016/download/2016MeshTree.pdf
    ... 268.552.775...........................................Radium D01.268.552.850...........................................Strontium D01.268.556...........................................Metals, Heavy D01.268.556. ...
  3. pdf2017MeshTreesWithChangesShown.pdf 
    https://www.nlm.nih.gov/.../2017MeshTreesWithChangesShown.pdf
    ... Metals, Alkaline Earth Barium Beryllium Calcium Magnesium Radium Strontium Metals, Heavy Actinium Americium Antimony Barium 575 Jul ... for 2017 Tree - heading Rhodium Rubidium Ruthenium Silver Strontium Tantalum Technetium Thallium Thorium Tin Tungsten Uranium Vanadium ...