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Best WR, Becktel JM, Singleton JW, Kern F Jr.Best WR, et al. Among authors: becktel jm.Gastroenterology. 1976 Mar;70(3):439-44.Gastroenterology. 1976.PMID: 1248701
Best WR, Becktel JM, Johnson AF.Best WR, et al. Among authors: becktel jm.Biometrics. 1971 Dec;27(4):895-901.Biometrics. 1971.PMID: 5138937No abstract available.