Neurotransmitters.
D000818:Animals; D004298:Dopamine / Q000502:physiology; D018377:Neurotransmitter Agents / Q000502:physiology*; D009638:Norepinephrine / Q000502:physiology; D051381:Rats; D009435:Synaptic Transmission
D018377:Neurotransmitter Agents; D004298:Dopamine; D009638:Norepinephrine