Is urine interleukin-8 levels a reliable laboratory test for the diagnosis of late onset sepsis in preterm infants? - Bentlin, Maria Regina [UNESP]; Rugolo, Ligia Maria Suppo de Souza [UNESP]; Rugolo, A.; Hashimoto, Miriam [UNESP]; Trindade, CEP; Crocci, A. J. (Int Pediatric Research Foundation, Inc, 2003)