title: [Features of acupuncture randomised controlled trials published in the top four journals].
authors.affiliation: Acupuncture and Massage College, Chengdu University of TCM, Chengdu 610075, China.
authors.forename: Hui
authors.initials: H
authors.lastname: Zheng
authors.forename: Fan-rong
authors.initials: FR
authors.lastname: Liang
authors.forename: Ying
authors.initials: Y
authors.lastname: Li