PEDro
PEDro is the Physiotherapy Evidence Database. PEDro is a free database of over 41,000 randomised trials, systematic reviews and clinical practice guidelines in physiotherapy.
See https://pedro.org.au/english/learn/search-help/ for tips on how to search the database. See https://pedro.org.au/english/learn/faq/ to learn how the trials, guidelines and reviews are located.