Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a) Flowchart of study recruitment and participation; b) concentrations of pepsin measured in bronchoalveolar lavage fluid from healthy volunteer controls and idiopathic pulmonary fibrosis (IPF) study patients. Study patients with high DeMeester scores (pH assessment) or supranormal total reflux events (impedance assessment) are indicated as IPF+GOR (gastro-oesophageal reflux disease).
