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1 ﹒ Stroup DF，Thacker SB，Olson CM，et al ﹒ Characteristics of Meta analysis submitted to a medical jour nal ［ A ］ ﹒ From：In‐ternational Congress on Biomedical Peer Review and Global Communications ［ M ］。4.Stewart L A，Par mar MKB ﹒ Meta analysis of theliter ......