CYSTEAMINE RAPIDLY BINDS SUSCEPTIBLE CYSTEINE RESIDUES TO BREAK GEL FORMING MUCIN POLYMERS IN CYSTIC FIBROSIS SPUTUM - Fraser-Pitt, D J; Strange, A; Steele, S; Griffiths, K; Devereux, G; O'Neil, D A (Pediatric Pulmonology, 2018)