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Johnson SR, Miro F, Barrett S, Ellis JE.Johnson SR, et al.Curr Med Res Opin. 2009 Mar;25(3):741-8. doi: 10.1185/03007990902743935.Curr Med Res Opin. 2009.PMID: 19196217
Pike J, Godbert S, Johnson S.Pike J, et al. Among authors: johnson s.Expert Opin Med Diagn. 2013 Sep;7(5):435-41. doi: 10.1517/17530059.2013.830103. Epub 2013 Aug 19.Expert Opin Med Diagn. 2013.PMID: 23957730