title: [Increased efficiency in research to establish the MPEL for substances in water based on a plan of staged norm setting].
mesh_terms: D000596:Amino Acids / Q000633:toxicity; D007928:Lethal Dose 50; D008452:Maximum Allowable Concentration; D008722:Methods; D012107:Research Design; D014873:Water Pollutants / Q000633:toxicity*; D014874:Water Pollutants, Chemical / Q000633:toxicity*
chemical_list: D000596:Amino Acids; D014873:Water Pollutants; D014874:Water Pollutants, Chemical
vernacular_title: Povyshenie éffektivnosti issledovaniĭ po obosnovaniiu PDK veshchestv v vode na osnove skhemy étaphnogo normirovaniia.