JEB -- Steele et al. 204 (12): 2145 Figure IG5

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Fig. 5. Ammonia (A) and urea (B) concentrations (µmolNg^-1) in the yolk and embryonic tissues after either acute (2h) exposure to 10mmoll^-1 NH₄Cl or chronic (4 days) exposure to 0.2mmoll^-1 NH₄Cl (means + S.E.M., N=6). An asterisk indicates significant difference between control and treated animals; a double dagger indicates significant difference between yolk and embryo.