Ayatollahi, Hossein Ratios of free to total prostate-specific antigen and total prostate specific antigen to protein concentrations in saliva and serum of healthy men. [electronic resource] - Urology journal 2007 - 238-41 p. digital Publication Type: Journal Article ISSN: 1735-546X Subjects--Topical Terms: AdultAgedBiomarkers, Tumor--analysisBlood Proteins--analysisHumansMaleMiddle AgedProstate-Specific Antigen--analysisProstatic Neoplasms--diagnosisReference ValuesSaliva--chemistrySalivary Proteins and Peptides--analysis