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4 results
  1. pdfNLM Technical Bulletin, no.57-68 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/57-68-1974.pdf
    ... COBALT RADIOISOTOPES PHOSPHORUS RADIOJ5IOTOPES KLEBSIELLA PNEUNOMIAE MEROMYSINS BUNGARATOXINS CETYLPYRIDINIUM COBALT RADIOSIOTOPES INTERRUPT, TWX TERMINALS Users with TWX ...
  2. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... 762 Pyridinium Compounds D03.383.725.762.232 Cetylpyridinium D03.383.725.762.300 Desmosine D03.383. ...
  3. pdf2017MeshTreesWithChangesShown.pdf 
    https://www.nlm.nih.gov/.../2017MeshTreesWithChangesShown.pdf
    ... new trees together - all Tree - heading Pyridinium Compounds Cetylpyridinium Desmosine Diquat Isodesmosine 1-Methyl-4-phenylpyridinium Obidoxime ...
  4. pdf2016MeshTree.pdf 
    https://www.nlm.nih.gov/mesh/2016/download/2016MeshTree.pdf
    ... 762...........................................Pyridinium Compounds D03.383.725.762.232...........................................Cetylpyridinium Page 589 2016 MeSH Tree Hierarchy Tree location ...