The effect of L NNA on DND was observed simultaneously.
同时观察了L-NNA对海马区NOS活性 和CA1区病理改变的影响.
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The effect of L - NNA might be reversed by pretreatment with L - arg.
L-NNA的作用可被预先灌流L - Arg而逆转.
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The effects of L - NNA on sleep and MAP were reversed by preinjection of L - arg .
预先给予L -arg 可逆转L-NNA的效应.
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