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Daniel KR, Courtney DM, Kline JA.Daniel KR, et al. Among authors: kline ja.Chest. 2001 Aug;120(2):474-81. doi: 10.1378/chest.120.2.474.Chest. 2001.PMID: 11502646
Kline JA, Nelson RD, Jackson RE, Courtney DM.Kline JA, et al.Ann Emerg Med. 2002 Feb;39(2):144-52. doi: 10.1067/mem.2002.121398.Ann Emerg Med. 2002.PMID: 11823768
Richman PB, Courtney DM, Friese J, Matthews J, Field A, Petri R, Kline JA.Richman PB, et al. Among authors: kline ja.Acad Emerg Med. 2004 Jun;11(6):642-7.Acad Emerg Med. 2004.PMID: 15175202Free article.