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Comment
. 1991 Apr 13;302(6781):912.
doi: 10.1136/bmj.302.6781.912-b.

Large computer databases

H Jick, S Jick, L E Derby
Comment

Large computer databases

H Jick et al. BMJ. .
No abstract available

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References

    1. BMJ. 1991 Mar 30;302(6779):741-2 - PubMed
    1. BMJ. 1991 Mar 30;302(6779):766-8 - PubMed

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