title: [STUDY OF THE PASSAGE OF CERTAIN PRECURSORS OF NUCLEIC ACIDS FROM THE CEREBROSPINAL FLUID INTO THE CENTRAL NERVOUS SYSTEM].
mesh_terms: D000225:Adenine; D001769:Blood; D001812:Blood-Brain Barrier; D002247:Carbon Isotopes; D006147:Guanine; D009696:Nucleic Acids; D009705:Nucleosides; D009711:Nucleotides; D009963:Orotic Acid; D010827:Physiology; D011874:Radiometry; D051381:Rats; D012106:Research; D014498:Uracil; D014529:Uridine
chemical_list: D002247:Carbon Isotopes; D009696:Nucleic Acids; D009705:Nucleosides; D009711:Nucleotides; D014498:Uracil; D006147:Guanine; D009963:Orotic Acid; D000225:Adenine; D014529:Uridine
keywords: ADENINE; BLOOD; BLOOD-BRAIN BARRIER; CARBON ISOTOPES; EXPERIMENTAL LAB STUDY; GUANINE; NUCLEOSIDES; NUCLEOTIDES; OROTIC ACID; PHYSIOLOGY; RADIOMETRY; RATS; URACIL; URIDINE
vernacular_title: ETUDE DU PASSAGE DE QUELQUES PR'ECURSEURS DES ACIDES NUCL'EIQUES DU LIQUIDE C'EPHALORACHIDIEN DANS LE SYST'EME NERVEUX CENTRAL.