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Shea S, Sengupta S, Crosswell A, Clayton PD.Shea S, et al.Proc Annu Symp Comput Appl Med Care. 1992:283-6.Proc Annu Symp Comput Appl Med Care. 1992.PMID: 1336414Free PMC article.
Shea S, DuMouchel W, Bahamonde L.Shea S, et al.J Am Med Inform Assoc. 1996 Nov-Dec;3(6):399-409. doi: 10.1136/jamia.1996.97084513.J Am Med Inform Assoc. 1996.PMID: 8930856Free PMC article.