Name Info Provider Link
subscription/membership/fee required HighWire https://www.bmj.com/lookup/pmidlookup?view=long&pmid=19304577
Leg Injuries and Disorders free resource MedlinePlus Health Information https://medlineplus.gov/leginjuriesanddisorders.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19304577.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19304577/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/19304577