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Potential Selection Bias in a Community-Based Study of Psa Levels in African-American Men

Heeringa, Steven G; Alcser, Kirsten Haakan; Schottenfeld, David; Doerr, Kay M; Strawderman, Myla S; Cooney, Kathleen A; Medbury, B. (2001). Potential Selection Bias in a Community-Based Study of Psa Levels in African-American Men. Journal of Clinical Epidemiology. 54(2), 142-148.