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Carruthers DM, Harrison BD.Carruthers DM, et al. Among authors: harrison bd.Thorax. 1995 Feb;50(2):186-8. doi: 10.1136/thx.50.2.186.Thorax. 1995.PMID: 7701461Free PMC article.
Innes NJ, Reid A, Halstead J, Watkin SW, Harrison BD.Innes NJ, et al. Among authors: harrison bd.J R Coll Physicians Lond. 1998 Sep-Oct;32(5):430-4.J R Coll Physicians Lond. 1998.PMID: 9819735Free PMC article.
Alkhayer M, Jenkins PF, Harrison BD.Alkhayer M, et al. Among authors: harrison bd.Respir Med. 1990 Jan;84(1):13-6. doi: 10.1016/s0954-6111(08)80087-x.Respir Med. 1990.PMID: 2115190
Udwadia ZF, Harrison BD.Udwadia ZF, et al. Among authors: harrison bd.J R Coll Physicians Lond. 1990 Apr;24(2):112-4.J R Coll Physicians Lond. 1990.PMID: 2352195Free PMC article.
Lim KL, Harrison BD.Lim KL, et al. Among authors: harrison bd.J R Coll Physicians Lond. 1992 Jan;26(1):71-5.J R Coll Physicians Lond. 1992.PMID: 1315391Free PMC article.