. "C2697973"^^ . "Agent Affecting Nervous SystemPTNCI" . "Agent Affecting Nervous System"^^ . "C78272"^^ . "Agent Affecting Nervous System"^^ . . "An agent that exerts a physiologic effect on neurotransmission or on any anatomic entity that is part of the nervous system, including the central nervous system (CNS) and peripheral nervous system (PNS).NCI" . "Agent_Affecting_Nervous_System"^^ . "Chemical Viewed Functionally"^^ .