title: Conceptual Comprehensiveness of Anxiety Instruments in Chronic Obstructive Pulmonary Disease: Exploring the Potential for Confounding Somatic Items.
authors.affiliation: Abacus International, Manchester, UK.
authors.forename: T G
authors.initials: TG
authors.lastname: Willgoss
authors.affiliation: Abacus International, Manchester, UK.
authors.forename: L
authors.initials: L
authors.lastname: Humphrey
authors.affiliation: Manchester Metropolitan University, Manchester, UK.
authors.forename: F
authors.initials: F
authors.lastname: Fatoye
authors.affiliation: Manchester Metropolitan University, Manchester, UK.
authors.forename: A M
authors.initials: AM
authors.lastname: Yohannes