Drupal-Bibcite0<style face="normal" font="default" size="100%">Quarter-dose quadruple combination therapy for initial treatment of hypertension: placebo-controlled, crossover, randomised trial and systematic review.</style><style face="normal" font="default" size="100%">Quarter-dose quadruple combination therapy for initial treatment of hypertension: placebo-controlled, crossover, randomised trial and systematic review.</style>