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Graham DY, McCullough A, Sklar M, Sontag SJ, Roufail WM, Stone RC, Bishop RH, Gitlin N, Cagliola AJ, Berman RS, et al.Graham DY, et al. Among authors: bishop rh.Dig Dis Sci. 1990 Jan;35(1):66-72. doi: 10.1007/BF01537225.Dig Dis Sci. 1990.PMID: 2403908Clinical Trial.
Chaer WS, Bishop RH, Ghosh J.Chaer WS, et al. Among authors: bishop rh.IEEE Trans Syst Man Cybern B Cybern. 1997;27(3):452-64. doi: 10.1109/3477.584952.IEEE Trans Syst Man Cybern B Cybern. 1997.PMID: 18255884
Nabaa N, Bishop RH.Nabaa N, et al. Among authors: bishop rh.IEEE Trans Syst Man Cybern B Cybern. 1999;29(6):908-12. doi: 10.1109/3477.809044.IEEE Trans Syst Man Cybern B Cybern. 1999.PMID: 18252369