Drupal-Bibcite0<style face="normal" font="default" size="100%">PACE--the first placebo controlled trial of paracetamol for acute low back pain: design of a randomised controlled trial</style><style face="normal" font="default" size="100%">PACE--the first placebo controlled trial of paracetamol for acute low back pain: design of a randomised controlled trial</style>