Interpreting observational studies—look before you leap
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PII: S0895-4356(06)00064-3
doi:10.1016/j.jclinepi.2005.12.015
© 2006 Elsevier Inc. All rights reserved.
Refers to article:
- Selective prescribing led to overestimation of the benefits of lipid-lowering drugs , 26 May 2006
