Effectiveness of expiratory technique and induced sputum in obtaining good quality sputum from patients acutely hospitalized with suspected lower respiratory tract infection: a statistical analysis plan for a randomized controlled trial.
Mariana Bichuette CartuliaresHelene Skjøt-ArkilFlemming Schønning RosenvingeChristian Backer MogensenThor Aage SkovstedAndreas Kristian PedersenPublished in: Trials (2021)
Clinicaltrials.gov , NCT04595526 . Submitted on October 19, 2020.