- Neuron-specific enolase, nucleotides, nucleosides, purine bases, oxypurines and uric acid concentrations in cerebrospinal fluid of children with meningitis. Rodríguez-Núñez, A., Cid, E., Rodríguez-García, J., Camiña, F., Rodríguez-Segade, S., Castro-Gago, M. Brain Dev. (2003)