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  1. pdfNLM Technical Bulletin, no.270-271 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/270-271-1993.pdf
    ... OR DIDEOXYADENOSINEOR DIDEOXCYTIDINE OR FLUCONAZOLE OR GANCICLOVIR OR HIV ... CEREBRALOR TRANSCRIPTION FACTOR SP1 OR TRICHOSANTHIN OR TRIMETHOPRIM- ...
  2. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... 395.250 Brain Abscess C01.395.250.500 Toxoplasmosis, Cerebral C01.395.500 Central Nervous System Bacterial ... Brain Abscess C01.539.830.025.160.800 Toxoplasmosis, Cerebral C01.539.830.025.325 Epidural Abscess ...