20 Jun, 13 | by Richard Sands, Managing Editor BMJ Open's first impact factor has been announced: 1.583. We are delighted to have this further evidence that ... ... <看更多>
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20 Jun, 13 | by Richard Sands, Managing Editor BMJ Open's first impact factor has been announced: 1.583. We are delighted to have this further evidence that ... ... <看更多>