Drupal-Bibcite0<style face="normal" font="default" size="100%">Study protocol for the road to hierarchical diabetes management at primary care (ROADMAP) study in China: A cluster randomised controlled trial</style><style face="normal" font="default" size="100%">Study protocol for the road to hierarchical diabetes management at primary care (ROADMAP) study in China: A cluster randomised controlled trial</style>