Paper  bibtex   

@misc{tuite_acr_nodate,
	title = {{ACR} {Appropriateness} {Criteria}® {Acute} {Trauma} to the {Knee}},
	url = {http://www.acr.org/~/media/ACR/Documents/AppCriteria/Diagnostic/AcuteTraumaKnee.pdf},
	urldate = {2014-01-18},
	author = {Tuite, Michael J. and Daffner, Richard H. and Weissman, Barbara N. and Bancroft, Laura and Bennett, D. Lee},
	note = {00010}
}