AUTHOR=Agbangla Nounagnon Frutueux , Caby Isabelle , Albinet Cédric T. 

TITLE=The interest to expand group-based studies with single-case experimental design studies in the investigation of the effects of physical exercise in frail older adults: an opinion article

JOURNAL=Frontiers in Public Health

VOLUME=11

YEAR=2023

URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2023.1256645

DOI=10.3389/fpubh.2023.1256645

ISSN=2296-2565