title: Differing perspectives of sputum and its expectoration: a qualitative study involving patients with cystic fibrosis and physiotherapists.
authors.affiliation: School of Nursing, Midwifery and Social Work, University Place, University of Manchester, Oxford Road, Manchester, United Kingdom. Stephanie.Tierney@manchester.ac.uk
authors.forename: S
authors.initials: S
authors.lastname: Tierney
authors.forename: D
authors.initials: D
authors.lastname: Riley
authors.forename: A M
authors.initials: AM
authors.lastname: Jones
authors.forename: A K
authors.initials: AK
authors.lastname: Webb
authors.forename: M
authors.initials: M
authors.lastname: Horne