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  1. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... 650.940.800.575.912.250.100.700 Saussurea B01.650.940.800.575.912.250.100. ...
  2. pdf2017MeshTreesWithChangesShown.pdf 
    https://www.nlm.nih.gov/.../2017MeshTreesWithChangesShown.pdf
    ... Thistle Montanoa Onopordum Petasites Psacalium Pulicaria Ratibida Rudbeckia Saussurea Scolymus Scorzonera Senecio Solidago Sonchus Stevia Old and ...
  3. pdf2016MeshTree.pdf 
    https://www.nlm.nih.gov/mesh/2016/download/2016MeshTree.pdf
    ... B01.650.940.800.575.100.100.700...........................................Saussurea B01.650.940.800.575.100.100.750........................................... ...