@misc{indiciae101d8908729f, title = {How to ... do a randomized controlled trial.}, author = {K D O'Brien and J L Wright and N A Mandall}, year = {2003}, doi = {10.1093/ortho/30.4.337}, url = {https://pubmed.ncbi.nlm.nih.gov/14634173/}, note = {Source identifier: 14634173} }