CHANGSHA, CHINA / ACCESSWIRE- August 3, 2017 / Prostate Specific Antigen (PSA) is a specific protein of about 34,000 molecules compounded and secreted by prostatic epithelial cells to the seminal ...

Over 200,000 men in the United States will be diagnosed with prostate cancer this year. Of that, 35,000 will die. The prostate-specific antigen (PSA) test can help identify cancer in its early stages, ...