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  1. pdfNLM Technical Bulletin, no.117-128 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/117-128-1979.pdf
    ... iIttiL AMINE 115-10-6 DIMETHYL ETHER DIMETHYL GERMANIUM SULFIDE 112-75-4 DIMETHYL MYPISTAMINE 1300-71- ... ACETATE 7440-56-4 GERKANIUM 1310-53-8 GERMANIUM DIOXIDE 77-06-5 GIB3ERELLIC ACID 3765-57- ...
  2. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... 268.513.500 Boron D01.268.513.750 Germanium D01.268.513.875 Polonium D01.268.513. ... 500.400 Gallium Radioisotopes D01.268.556.305 Germanium D01.268.556.322 Gold D01.268.556. ...