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