CONSORT statement for randomized trials of nonpharmacologic treatments: a 2017 update and a CONSORT extension for nonpharmacologic trial abstracts. [No authors listed] GSID: kSL1OKsY6poJ
SPIRIT 2013 explanation and elaboration: guidance for protocols of clinical trials. [No authors listed] GSID: N2NSxNMf3k4J
A controlled trial of arthroscopic surgery for osteoarthritis of the knee. [No authors listed] GSID: 6P7Pwe_EylsJ