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. 2021 Jan 26;10:584280. doi: 10.3389/fonc.2020.584280

Figure 1.

Figure 1

Patient selection and study design. Forty Caucasian American patients with well differentiated (WD) and poorly differentiated (PD) tumors with or without PSA recurrence (rPSA) were selected and divided into two groups based on age with an average age difference of 9.9–14.2 years; 1) Young and 2) Old.