A Study to Evaluate Conceptual Saturation of Evaluating Respiratory Symptoms (E-RS) in Subjects With Asthma
Condition: Asthma Interventions: Other: Telephonic interviews; Other: E-RS: COPD; Other: Supplemental asthma items; Other: Daily diary; Other: Sociodemographic questionnaire; Other: Clinical questionnaire Sponsors: GlaxoSmithKline; Evidera Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials