AUTHOR=Calitri Raff , Carter Mary , Code Chris , Lamont Ruth , Dean Sarah , Tarrant Mark TITLE=Challenges of Recruiting Patients Into Group-Based Stroke Rehabilitation Research: Reflections on Clinician Equipoise Within the Singing for People With Aphasia (SPA) Pilot Trial JOURNAL=Frontiers in Psychology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2021.624952 DOI=10.3389/fpsyg.2021.624952 ISSN=1664-1078