Randomized, controlled comparison of two forms of preparation for screening flexible sigmoidoscopy.
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V. Sharma | C. Howden | E. Heinzelmann | R. Vasudeva | S. Chockalingham | C. Howden | E. N. Steinberg | V. Clark | A. Kapur | Ashok Kapur | Virender K. Sharma | Eric J. Heinzelmann