Age, ether narcosis and 'Weck'-amines.
D000375:Aging; D000661:Amphetamine / Q000494:pharmacology; D000758:Anesthesia; D000818:Animals; D005019:Ethyl Ethers; D008297:Male; D051381:Rats; D013997:Time Factors
D005019:Ethyl Ethers; D000661:Amphetamine