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Sheikh, Mehraj, Tariq Sinan, Elijah O. Kehinde, Ali Y.T Hussein, Jehoram T. Anim, und Adel A. Al-Hunayant. "Relative Contribution of Digital Rectal Examination and Transrectal Ultrasonography in Interpreting Serum Prostate-specific Antigen Values for Screening Prostate Cancer in Arab Men." Ann Saudi Med 2007.

Sheikh, Mehraj, et al. "Relative Contribution of Digital Rectal Examination and Transrectal Ultrasonography in Interpreting Serum Prostate-specific Antigen Values for Screening Prostate Cancer in Arab Men." Ann Saudi Med 2007.