[Indeterminate test results of T-SPOT.TB performed under routine field conditions].
Beffa
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P
Dept of Ambulatory Care and Community Medicine, University of Lausanne, Switzerland. zellwegerjp@swissonline.ch
Zellweger
A
A
Janssens
J P
JP
Wrighton-Smith
P
P
Zellweger
J P
JP