Groupe PSA is the second largest car manufacturer in Europe. It is present in 160 countries and possesses 16 production sites across the world.

Prostate-Specific Antigen (PSA) Test. On This Page. Prostate-specific antigen, or PSA, is a protein produced by normal, as well as malignant, cells of the prostate gland.

PSA, PsA, Psa, or psa may refer to: PSA Airlines, a subsidiary of American Airlines Group. Pisa International Airport, Pisa, Italy, IATA code PSA.