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BMJ Publishing Group, BMJ, nov11 3(347), p. f6409-f6409

DOI: 10.1136/bmj.f6409

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Making inferences on treatment effects from real world data: propensity scores, confounding by indication, and other perils for the unwary in observational research.

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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