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Ray WA, MacDonald TM, Solomon DH, Graham DJ, Avorn J.Ray WA, et al. Among authors: solomon dh.Pharmacoepidemiol Drug Saf. 2003 Jan-Feb;12(1):67-70. doi: 10.1002/pds.798.Pharmacoepidemiol Drug Saf. 2003.PMID: 12616850Review.No abstract available.