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Figure 1


Fig. 1. The influence of acetazolamide (20 mg kg-1) administered at 3 h on: (A) rectal gland Cl- secretion rate: (B) arterial pH; (C) arterial CO2 tension; and (D) arterial plasma bicarbonate concentration. Values are means ± 1 s.e.m. Control data are from fish (N=7) identically infused with 500 mmol l-1 NaCl but not treated with acetazolamide. *Values significantly different (P<0.05) from the simultaneous value in the control treatment; {dagger}values significantly different (P<0.05) from the pre-treatment reference values in the same treatment group.