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Boxplots of the production of (A) nitrite, (B) thiobarbituric acid reactive substances, (C) reactive oxygen species and (D) hydrogen peroxide in P. cuvieri tadpoles exposed or not to drugs (azithromycin and hydroxychloroquine), alone or in combination. (n = 96 tadpoles/group, distributed in eight samples containing a pool of 12 animals/each). C: control; AZT: azithromycin; HCQ: hydroxychloroquine, both at 12.5 μg/L.
