JEB -- Ip et al. 208 (10): 1993 Figure IG2

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Fig. 2. Effects of 4 days of chronic exposure to a sublethal concentration of environmental ammonia (8 mmol l^-1 NH₄Cl in 15 ${per thousand}$ water at pH 7.0) on contents (µmol g^-1) of (A) ammonia, (B) glutamine and (C) glutamate in the brain of and Boleophthalmus boddaerti. ^*Significantly different from the time 0 value.