<style face="normal" font="default" size="100%">Relationship between global burden of disease and quantity of published randomized controlled trials.</style>

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31<style face="normal" font="default" size="100%">Relationship between global burden of disease and quantity of published randomized controlled trials.</style><style face="normal" font="default" size="100%">Relationship between global burden of disease and quantity of published randomized controlled trials.</style>