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Bradford WB, Jose BO, Butler D, Lindberg RD, Paris K, Spanos WJ Jr, Patel CC, Bertolone SJ.Bradford WB, et al. Among authors: butler d.J Ky Med Assoc. 1998 Oct;96(10):399-402.J Ky Med Assoc. 1998.PMID: 9803061
Butler DF, Bolton ME, Spanos WJ Jr, Day TG Jr, Paris KJ, Jose BO, Ackerman DM, Cornett MS, Lindberg RD.Butler DF, et al.J Ky Med Assoc. 1999 Apr;97(4):154-64.J Ky Med Assoc. 1999.PMID: 10224832
Butler D, Buchino JJ, Jose B, Lindberg RD, Spanos WJ Jr, Paris KJ.Butler D, et al.J Ky Med Assoc. 1997 May;95(5):191-6.J Ky Med Assoc. 1997.PMID: 9149498Review.
Cherian M, Zhao Y, Ahumada-Canale A, Nihill P, VanBruggen M, Butler D, Burgess P.Cherian M, et al. Among authors: butler d.Aust Health Rev. 2025 Jan 13. doi: 10.1071/AH24241. Online ahead of print.Aust Health Rev. 2025.PMID: 39800934