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Schwarzer, A.C.; Aprill, C.N.; Derby, R.; Fortin, J.; Kine, G.; Bogduk, N. (1994).
The false-positive rate of uncontrolled diagnostic blocks of the lumbar zygapophysial joints. , 58(2), 195–200.
doi:10.1016/0304-3959(94)90199-6
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