PT - JOURNAL ARTICLE AU - Leung, Janice M. AU - Yang, Chen X. AU - Tam, Anthony AU - Shaipanich, Tawimas AU - Hackett, Tillie-Louise AU - Singhera, Gurpreet K. AU - Dorscheid, Delbert R. AU - Sin, Don D. TI - ACE-2 Expression in the Small Airway Epithelia of Smokers and COPD Patients: Implications for COVID-19 AID - 10.1183/13993003.00688-2020 DP - 2020 Jan 01 TA - European Respiratory Journal PG - 2000688 4099 - https://publications.ersnet.org//content/early/2020/03/26/13993003.00688-2020.short 4100 - https://publications.ersnet.org//content/early/2020/03/26/13993003.00688-2020.full