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Langwell KM, Rossiter LF, Hadley JP, Nelson SL, Nelson LM, Berman KA.Langwell KM, et al.Med Group Manage. 1986 Nov-Dec;33(6):32-7, 44-5.Med Group Manage. 1986.PMID: 10301140
Langwell KM, Rossiter LF, Hadley JP, Nelson SL, Nelson LM, Berman KA.Langwell KM, et al.Med Group Manage. 1987 Jan-Feb;34(1):37-44.Med Group Manage. 1987.PMID: 10301309No abstract available.