Question 7: For an infant with an equivocal sweat chloride following newborn screening, how likely is a diagnosis of cystic fibrosis?

Address: University of Sydney, Discipline of Paediatrics and Child Health, University of Sydney; Department of Respiratory Medicine, the Children's Hospital at Westmead, Sydney. Electronic address: [email protected].; University of Sydney, Discipline of Paediatrics and Child Health, University of Sydney; Department of Respiratory Medicine, the Children's Hospital at Westmead, Sydney.