title: Age dependent acute toxicity of ethylmorphine.
mesh_terms: D000375:Aging; D000818:Animals; D001711:Biotransformation; D003061:Codeine / Q000633:toxicity; D007928:Lethal Dose 50; D008297:Male; D009022:Morphine Derivatives / Q000378:metabolism / Q000633:toxicity*; D051381:Rats
chemical_list: D009022:Morphine Derivatives; D003061:Codeine