Does 1 + 1 = 2?
Eger
E I
EI
D000818:Animals; D004357:Drug Synergism; D004737:Enflurane / Q000008:administration & dosage*; D009609:Nitrous Oxide / Q000008:administration & dosage*; D051381:Rats
D004737:Enflurane; D009609:Nitrous Oxide