PSA assay of dried blood samples from the ear lobe on a filter paper with special reference to prostatic mass screening

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Abstract

To eliminate complicated procedures for taking blood samples in the field work for prostatic mass screening, we developed a method for PSA testing using blood samples taken from the ear lobe and dried on a filter paper. The stability, the diagnostic efficacy, and the cost-benefit effect of the method were confirmed in hospitalized patients, as well as in subjects from our mass screening program. © 1995 Wiley-Liss, Inc.

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