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BMJ (Clinical research ed.) [BMJ] 2010 May 11; Vol. 340, pp. c2298. Date of Electronic Publication: 2010 May 11.Publisher: British Medical Association Country of Publication: England NLM ID: 8900488 Publication Model: Electronic Cited
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BMJ (Clinical research ed.) [BMJ] 2010 May 28; Vol. 340, pp. c2865. Date of Electronic Publication: 2010 May 28.Publisher: British Medical Association Country of Publication: England NLM ID: 8900488 Publication Model: Electronic Cited
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BMJ (Clinical research ed.) [BMJ] 2010 May 28; Vol. 340, pp. c2880. Date of Electronic Publication: 2010 May 28.Publisher: British Medical Association Country of Publication: England NLM ID: 8900488 Publication Model: Electronic Cited
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BMJ (Clinical research ed.) [BMJ] 2007 Feb 24; Vol. 334 (7590), pp. 387.Publisher: British Medical Association Country of Publication: England NLM ID: 8900488 Publication Model: Print Cited Medium:
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