Elise Hickman, William Dabbs, Heather Wells, R. Graham Barr, Prescott Woodruff, Jill Ohar, Fernando J. Martinez, Russell Bowler, Christopher B. Cooper, Jeffrey L. Curtis, J. Michael Wells, Wassim W. Labaki, Ilona Jaspers, Julia E. Rager, Neil E. Alexis. "Similarity of sputum mediator signatures between e-cigarette users and COPD depends on GOLD stage and type of e-cigarette: a pilot study." PLoS ONE (2026). https://doi.org/10.1371/journal.pone.0343940