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McCarthy JT, Butterfield LJ.McCarthy JT, et al. Among authors: butterfield lj.Rocky Mt Med J. 1978 May-Jun;75(3):135-9.Rocky Mt Med J. 1978.PMID: 675037No abstract available.
Traylor FA Jr, Butterfield LJ.Traylor FA Jr, et al. Among authors: butterfield lj.Rocky Mt Med J. 1966 Nov;63(11):58-9.Rocky Mt Med J. 1966.PMID: 5342505No abstract available.