AUTHOR=Hill David B. TITLE=Editorial: Mucus and the mucociliary interface: continuity and clearance JOURNAL=Frontiers in Physiology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2023.1233276 DOI=10.3389/fphys.2023.1233276 ISSN=1664-042X