Third-party grading, like PSA, emerged as a valuable addition to the collecting industry, providing assurance about an item's condition and bringing additional liquidity to the hobby. Fast-forward ...

This is the final of a three-part series highlighting the top-10 PSA most graded hockey players of 2024. Grading submissions ...

Assessments of serum PSA levels and digital rectal examinations ... and of the likelihood of malignancies being high-grade.

we’re on pace for 16.8 million cards to be graded annually by just PSA (Professional Sports Authenticator), which accounted for 78 percent of the grading market in 2023. In October alone ...

The TNM staging approach, which stands for tumour, nodes, and metastasis, is the most widely used method for staging prostate ...

The first of a three-part series highlighting the top-10 PSA most graded hockey players of 2024. Grading submissions totals ...

This is the second of a three-part series highlighting the top-10 PSA most graded hockey players of 2024. Grading submissions ...

It is noteworthy that more-recent studies demonstrate that PSA velocity does, in fact, enhance predictive accuracy beyond that of PSA alone. A model that included the age, date of diagnosis and ...

This is the final installment of a three-part series highlighting the top-10 most graded cards of 2024. Grading submission ...

Australia: New research published in BJU International suggests that the PSA free-to-total ratio (FTR) can serve as an ...