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Median effective concentration
(english) The concentration of a chemical that produces some effect in 50% of the test population, normally after 96 hours. (See also: Median lethal concentration, toxin, bioassay)
concentration efficace moyenne
(french) Concentration d'un produit chimique qui produit quelque effet sur 50% d'une population expérimentale, normalement après 96 heures. (See also: Median lethal concentration, toxin, bioassay)
Concentração média efectiva
(portuguese) A concentração dum produto químico que produz efeitos em 50% da população teste, normalmente após 96 horas. (See also: Median lethal concentration, toxin, bioassay)

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