Drupal-Bibcite0<style face="normal" font="default" size="100%">Efficacy and safety of a quadruple ultra-low-dose treatment for hypertension (QUARTET USA): Rationale and design for a randomized controlled trial</style><style face="normal" font="default" size="100%">Efficacy and safety of a quadruple ultra-low-dose treatment for hypertension (QUARTET USA): Rationale and design for a randomized controlled trial</style>