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Leung SC, Churg AM, Leipsic JA, Levy RD, Wilcox PG, Ryerson CJ.Leung SC, et al. Among authors: levy rd.Respirol Case Rep. 2015 Sep;3(3):85-8. doi: 10.1002/rcr2.112. Epub 2015 Jun 9.Respirol Case Rep. 2015.PMID: 26392852Free PMC article.
Petrovic V, Ryerson CJ, Levy RD.Petrovic V, et al. Among authors: levy rd.Can Respir J. 2011 May-Jun;18(3):e50-1. doi: 10.1155/2011/710489.Can Respir J. 2011.PMID: 21766084Free PMC article.
Quon BS, Reid JD, Wong P, Wilcox PG, Javer A, Wilson JM, Levy RD.Quon BS, et al. Among authors: levy rd.Can Respir J. 2011 Jul-Aug;18(4):e64-5. doi: 10.1155/2011/304179.Can Respir J. 2011.PMID: 22059186Free PMC article.
Yang D, Wilson JM, Bai C, Yee J, Wilcox PG, Khalil N, Levy RD.Yang D, et al. Among authors: levy rd.Can Respir J. 2012 Jan-Feb;19(1):e3-4. doi: 10.1155/2012/258485.Can Respir J. 2012.PMID: 22332139Free PMC article.
English JC, Mayo JR, Levy R, Yee J, Leslie KO.English JC, et al.Respirol Case Rep. 2015 Jun;3(2):82-4. doi: 10.1002/rcr2.108. Epub 2015 May 22.Respirol Case Rep. 2015.PMID: 26090119Free PMC article.
Winstone TA, Levy RD, Shojania K, Murphy D, Churg A, Ryerson C.Winstone TA, et al. Among authors: levy rd.Chest. 2017 Aug;152(2):e21-e24. doi: 10.1016/j.chest.2017.04.172.Chest. 2017.PMID: 28797395Review.
Ong S, Levy RD, Yee J, Partovi N, Churg A, Roméo P, Chalaoui J, Nador R, Wright A, Manganas H, Ryerson CJ.Ong S, et al. Among authors: levy rd.BMC Pulm Med. 2018 Oct 16;18(1):162. doi: 10.1186/s12890-018-0727-0.BMC Pulm Med. 2018.PMID: 30326889Free PMC article.
Goobie GC, Sirrs SM, Yee J, English JC, Bergeron C, Nador R, Swiston JR, Mistry PK, Paquin W, Levy RD.Goobie GC, et al. Among authors: levy rd.Respir Med Case Rep. 2019 Jun 29;28:100893. doi: 10.1016/j.rmcr.2019.100893. eCollection 2019.Respir Med Case Rep. 2019.PMID: 31334026Free PMC article.