<style face="normal" font="default" size="100%">The prevalent new-user design for studies with no active comparator: The example of statins and cancer</style>

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0<style face="normal" font="default" size="100%">The prevalent new-user design for studies with no active comparator: The example of statins and cancer</style><style face="normal" font="default" size="100%">The prevalent new-user design for studies with no active comparator: The example of statins and cancer</style>