Donohue IF, Bollu VK, Stull DE, Nelson LM, Williams VS, Stensland MD, Hanania NA. Long-term health-related quality-of-life and symptom response profiles with arformoterol in COPD: results from a 52-week trial. Int J Chron Obstruct Pulmon Dis. 2018 Feb 5;13:499-508.
Cainzos-Achirica M, Bilal U, Kapoor K, Quispe Ayala R, McEvoy JW, Pladevall-Vila M, Blumenthal RS, Blaha MJ. Methodological issues in nutritional epidemiology research–sorting through the confusion. Current Cardiovascular Risk Reports. 2018 Feb;12:4. doi: 10.1007/s12170-018-0567-8