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Patel A, Gutteridge DL.Patel A, et al. Among authors: gutteridge dl.J Dent. 1996 Jul;24(4):281-7. doi: 10.1016/0300-5712(95)00071-2.J Dent. 1996.PMID: 8783534
Fox K, Gutteridge DL.Fox K, et al. Among authors: gutteridge dl.Int Endod J. 1997 Nov;30(6):361-8. doi: 10.1046/j.1365-2591.1997.00093.x.Int Endod J. 1997.PMID: 9588975
al-Hazaimeh N, Gutteridge DL.al-Hazaimeh N, et al. Among authors: gutteridge dl.Int Endod J. 2001 Jan;34(1):40-6. doi: 10.1046/j.1365-2591.2001.00351.x.Int Endod J. 2001.PMID: 11307379