Acupuncture for functional constipation: protocol of an individual patient data meta-analysis
Qianhua Zheng, Hui Zheng, Lingyun Lu, Jincheng Leng, Siyuan Zhou, Huabin Zheng, Wenjing Huang, Zhishun Liu, Bing Zhu, Ying Li
BMJ Open May 2015, 5 (5) e007137; DOI: 10.1136/bmjopen-2014-007137