Nihilistic effect of 2 positive chemical stimuli.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D002633:Chemotaxis; D004357:Drug Synergism; D005973:Glutamine / Q000494:pharmacology*; D008239:Lysine / Q000494:pharmacology*; D013268:Stimulation, Chemical; D014419:Turbellaria / Q000187:drug effects*
D005973:Glutamine; D008239:Lysine