Efficacy and safety of oral strontium ranelate for the treatment of knee osteoarthritis: rationale and design of randomised, double-blind, placebo-controlled trial - Cyrus Cooper; J-Y Reginster; R Chapurlat; C Christiansen; H Genant; N Bellamy; W Bensen; F Navarro; J Badurski; E Nasonov; X Chevalier; P N Sambrook (Научно-практическая ревматология, 2013)