Drupal-Bibcite0<style face="normal" font="default" size="100%">Paracetamol is ineffective for acute low back pain even for patients who comply with treatment: complier average causal effect analysis of a randomized controlled trial</style><style face="normal" font="default" size="100%">Paracetamol is ineffective for acute low back pain even for patients who comply with treatment: complier average causal effect analysis of a randomized controlled trial</style>