1. Journal of Vascular Surgery
Chronic popliteal entrapment with calcified lesions results in an acute occlusion after blunt knee trauma in a 17-year-old soccer player 
Susanne Regus, MD, Stephan Söder, MD, Rolf Janka, MD, Werner Lang, MD, FEBVS 
Journal of Vascular Surgery 
Volume 61, Issue 3, (March 2015)
DOI: /j.jvs
Copyright © 2015 Society for Vascular Surgery Terms and Conditions

2. Journal of Vascular Surgery 2015 61, DOI: (10.1016/j.jvs.2014.02.016)
Copyright © 2015 Society for Vascular Surgery Terms and Conditions