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To T, Gershon A, Cicutto L, Wang CN.To T, et al.Healthc Q. 2007;10(1):22-4. doi: 10.12927/hcq..18644.Healthc Q. 2007.PMID: 17326365No abstract available.
Guttmann A, Zagorski B, Austin PC, Schull M, Razzaq A, To T, Anderson G.Guttmann A, et al. Among authors: to t.Pediatrics. 2007 Dec;120(6):e1402-10. doi: 10.1542/peds.2007-0168.Pediatrics. 2007.PMID: 18055658
Gershon AS, Wang L, To T, Luo J, Upshur RE.Gershon AS, et al. Among authors: to t.COPD. 2008 Aug;5(4):229-34. doi: 10.1080/15412550802237507.COPD. 2008.PMID: 18671148Free article.