1. Selenium for preventing Kashin-Beck osteoarthropathy in children: a meta-analysis 
K. Zou, M.D., G. Liu, M.D., T. Wu, M.D., L. Du, M.D. 
Osteoarthritis and Cartilage 
Volume 17, Issue 2, Pages (February 2009)
DOI: /j.joca
Copyright © 2008 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1 Flow chart of study selection process.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2008 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Meta-analysis of selenium supplementation vs control for primary prevention of KBD.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2008 Osteoarthritis Research Society International Terms and Conditions