?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Cooper%2C+Ruth+E&rft.aufirst=Ruth+E&rft.aulast=Cooper&rft.date=29+February+2024&rft.issn=1741-7015&rft.atitle=The+effectiveness%2C+implementation%2C+and+experiences+of+peer+support+approaches+for+mental+health%3A+a+systematic+umbrella+review&rft.title=BMC+Medicine&rft.volume=22&rft.genre=article