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2 results
  1. pdffy2002.pdf 
    https://www.nlm.nih.gov/ocpl/anreports/fy2002.pdf
    ... rat), Arabidopsis thaliana (thale cress), Avena sativa (oat), Hordeum vulgare (barley), Oryza sativa (rice), Triticum aestivum (wheat), ...
  2. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... 650.940.800.575.912.250.822.481 Hordeum B01.650.940.800.575.912.250.822. ...