Copy to clipboardCopy Nicholas, Jennifer; Gulliford, Martin C; (2008) Commentary: What is a propensity score? The British journal of general practice, 58 (555). p. 687. ISSN 0960-1643 DOI: https://doi.org/10.3399/bjgp08x342471
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Copy to clipboardCopyhttps://doi.org/10.3399/bjgp08x342471
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