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Comment
. 2007 Jun;22(6):893; author reply 894.
doi: 10.1007/s11606-006-0096-x.

Effects of anticholinergics and beta-agonists in COPD

John Hansen-Flaschen
Comment

Effects of anticholinergics and beta-agonists in COPD

John Hansen-Flaschen. J Gen Intern Med. 2007 Jun.
No abstract available

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References

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