Are PubMed alone and English literature only enough for a meta-analysis?
Zheng, B. ; Zheng, W. ; Zhu, Y. ; Guo, C. ; Wu, W. ; Chen, C.
Annals of oncology, 2013-04, Vol.24 (4), p.1130-1130
[Periódico revisado por pares]
England: Elsevier Ltd
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