[On the identification and determination of free nucleotides of the brain].
D001921:Brain; D001923:Brain Chemistry; D006801:Humans; D009705:Nucleosides / Q000737:chemistry*; D009711:Nucleotides / Q000737:chemistry*
D009705:Nucleosides; D009711:Nucleotides
BRAIN/chemistry; NUCLEOSIDES AND NUCLEOTIDES/chemistry