PT - JOURNAL ARTICLE AU - G Taccetti AU - F Festini AU - G Braccini AU - S Campana AU - M de Martino TI - Sweat testing in newborns positive to neonatal screening for cystic fibrosis AID - 10.1136/adc.2003.048934 DP - 2004 Sep 01 TA - Archives of Disease in Childhood - Fetal and Neonatal Edition PG - F463--F464 VI - 89 IP - 5 4099 - http://fn.bmj.com/content/89/5/F463.short 4100 - http://fn.bmj.com/content/89/5/F463.full SO - Arch Dis Child Fetal Neonatal Ed2004 Sep 01; 89 AB - Sweat chloride concentrations above 40 mmol/l are unusual in newborns screened for cystic fibrosis and should be followed up. Centiles of sweat chloride concentrations in newborns positive to cystic fibrosis neonatal screening are presented. There are no significant correlations between age at sweat testing and sweat chloride concentration or quantity of sweat collected.