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Comment
. 2008 Nov;63(11):1026-7; author reply 1027.

Biases in the observational study of beta blockers in COPD

S Suissa, P Ernst
  • PMID: 18984819
Comment

Biases in the observational study of beta blockers in COPD

S Suissa et al. Thorax. 2008 Nov.
No abstract available

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