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One-to-many propensity score matching in cohort studies.
Rassen JA, Shelat AA, Myers J, Glynn RJ, Rothman KJ, Schneeweiss S. Rassen JA, et al. Pharmacoepidemiol Drug Saf. 2012 May;21 Suppl 2:69-80. doi: 10.1002/pds.3263. Pharmacoepidemiol Drug Saf. 2012. PMID: 22552982
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