Efficacy of acupuncture at pain-sensitive acupoints for diarrhoea-predominant irritable bowel syndrome (IBS-D): protocol of a multicentre, randomised, sham-controlled trial
Efficacy of acupuncture at pain-sensitive acupoints for diarrhoea-predominant irritable bowel syndrome (IBS-D): protocol of a multicentre, randomised, sham-controlled trial