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  1. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... 325.250 Conjunctivitis, Viral C02.325.250.250 Conjunctivitis, Acute Hemorrhagic C02.325.270 Cytomegalovirus Retinitis C02.325. ... 359 Enterovirus Infections C02.782.687.359.201 Conjunctivitis, Acute Hemorrhagic C02.782.687.359.213 Coxsackievirus Infections ...
  2. pdf213-224-1987.pdf 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/213-224-1987.pdf
    ... Way to Search for the General Aspect of aTopic Jane Rosov MEDLARS Management Section, NLM list with ...