randomised controlle trial

Bisphosphonate and risk of cancer recurrence: protocol for a systematic review, meta-analysis and trial sequential analysis of randomised controlled trials
Yupeng Liu, Chen Du, Yuxue Zhang, Shu Zhao, Lina Zhao, Pengfei Li, Fulan Hu, Lin Zhu, Yanlong Liu, Da Pang, Yashuang Zhao

BMJ Open Apr 2015, 5 (4) e007215; DOI: 10.1136/bmjopen-2014-007215

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randomised controlle trial