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_a10.1136/bmj.304.6822.316 _2doi |
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_aNLM _beng _cNLM |
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100 | 1 | _aJones, R | |
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_aSearching published reports. _h[electronic resource] |
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_bBMJ (Clinical research ed.) _cFeb 1992 |
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_a316 p. _bdigital |
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_tBMJ (Clinical research ed.) _gvol. 304 _gno. 6822 _gp. 316 |
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_uhttps://doi.org/10.1136/bmj.304.6822.316 _zAvailable from publisher's website |
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