VasJ., OrtegaC., OlmoV.Single-point acupuncture and physiotherapy for the treatment of painful shoulder: a multicentre randomized controlled trial. Rheumatology (Oxford)2008; 47: 887–93.
3.
CarrD.J.Raising the bar on the ethical standards of acupuncture research. Acupunct Med2015; 33: 178–9.