Free PSA determination might eliminate unnecessary biopsies in men with a PSA of more than 4 ng./ml. with minimal missed cancers.

Free PSA determination might eliminate unnecessary biopsies in men with a PSA of more than 4 ng./ml. with minimal missed cancers.

The commercial norovirus enzyme-linked immunosorbent assay kit was evaluated for its reactivity to recombinant virus-like particles and the detection of natural viruses from stool samples of Japanese infants and children with sporadic acute gastroenteritis compared to reverse transcription-PCR. The kit had a sensitivity of 76.3% and a specificity of 94.9%. Our results clearly indicated that the kit allows the detection of the most prevalent genotype, GII/4. In order to increase the sensitivity of the kit, the reactivity with norovirus of GII/3 and GII/6 genotypes needs to be improved.

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