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. 1995 Sep 9;311(7006):659-60.
doi: 10.1136/bmj.311.7006.659.

Ethics approval for a national postal survey: recent experience

C Middle  1 , A Johnson, T Petty, L Sims, A Macfarlane
Affiliations

Ethics approval for a national postal survey: recent experience

C Middle et al. BMJ. .
No abstract available

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References

    1. BMJ. 1990 Jan 13;300(6717):61-2 - PubMed
    1. BMJ. 1989 Dec 9;299(6713):1437-9 - PubMed
    1. BMJ. 1988 Dec 24-31;297(6664):1626-7 - PubMed

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