Utility of Free/Total Prostate Specific Antigen (f/t PSA) Ratio in Diagnosis of Prostate Carcinoma
The discovery that PSA exists in serum in both free and complexed forms led to development of immunoassays specific for different PSA forms. This helped in measuring free PSA in the presence of PSA-ACT (PSA-α antichymotrypsin), hence it was possible to calculate the percent free PSA or free to total...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Hindawi Limited
2004-01-01
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Series: | Disease Markers |
Online Access: | http://dx.doi.org/10.1155/2004/913870 |