Using web-based videos to improve inhalation technique in COPD patients requiring hospitalization: A randomized controlled trial.
Wolfram WindischSarah Bettina StanzelFriederike Sophie MagnetMichael DreherClaudia SchmoorJan Hendrik StorreVerena KnipelPublished in: PloS one (2018)
Clinical trial Registration: German Clinical Trial Register, DRKS 00004320.