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3 results
  1. pdf2018MeShTreeHierarchy.pdf 
    https://www.nlm.nih.gov/mesh/2018/download/2018MeShTreeHierarchy.pdf
    ... 249...........................................Ovule A18.024.249.500.249.500...........................................Pollen A18.024.249.500.249.500.500...........................................Pollen ...
  2. pdf2016MeshTree.pdf 
    https://www.nlm.nih.gov/mesh/2016/download/2016MeshTree.pdf
    ... 249...........................................Ovule A18.024.249.500.249.500...........................................Pollen A18.024.249.500.249.500.500...........................................Pollen ...
  3. pdf2017MeshTreesWithChangesShown.pdf 
    https://www.nlm.nih.gov/.../2017MeshTreesWithChangesShown.pdf
    ... 249 Ovule - A18.024.249.500.249.500 Pollen - A18.024.249.500.249.500.500 Pollen Tube - A18.024.249.500.624 Inflorescence - A18. ... Ants - B01.050.500.131.617.479.387 Bees - B01.050.500.131.617.479.900 Wasps - ...