Prevalence and subtyping of biofilms present in bronchoalveolar lavage from children with protracted bacterial bronchitis or non-cystic fibrosis bronchiectasis: a cross-sectional s... oleh Robyn L Marsh, PhD, Michael J Binks, PhD, Heidi C Smith-Vaughan, PhD, Maxine Janka, BSc, Sharon Clark, BBioMedSc, Peter Richmond, ProfMD, Anne B Chang, ProfPhD, Ruth B Thornton, PhD