Using An Instrumental Variable Approach To Estimate Causal Treatment Effects In An Observational Cohort of Patients With Chronic Obstructive Pulmonary Disease
Abstract
Authors
E John KR Abrams N Sheehan C Brightling
E John KR Abrams N Sheehan C Brightling
ISPOR recommends that you update your browser for more security, speed and the best experience on ispor.org. Update my browser now