Assertion: ether's effect | /r/CapableOf | start at oral dose levels of 3.5 mg/kg
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Source sentences:
text: Metoprolol tartrate has been associated with reversible adverse effects on spermatogenesis starting at oral dose levels of 3.5 mg/kg in rats (a dose that is only 0.1 times the human dose, when based on surface area), although other studies have shown no effect of Metoprolol tartrate on reproductive performance in male rats.