Sérgio Hecker Luz

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OBJECTIVES To evaluate the neurological maturation of fetuses between 21 and 30 weeks' gestation by the auditory evoked response. METHODS The auditory evoked responses of 25 normal singleton fetuses were observed once a week from 21 to 30 weeks' gestation. The stimulus consisted of five pulses of sinusoidal waves, for 2 s, at 1500 cycles/s, with a sound(More)
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