Name Info Provider Link
subscription/membership/fee required Chinese Medical Association Publishing House Ltd. https://www.yiigle.com/LinkIn.do?linkin_type=pubmed&issn=0529-5815&year=1981&vol=19&issue=8&fpage=458
Leg Injuries and Disorders free resource MedlinePlus Health Information https://medlineplus.gov/leginjuriesanddisorders.html