Very often, 4-5 determinations a day. Ascitic fluid, pleural fluid, CSF. It's well related with tuberculosis effusions. We do the determinations on ILab 900 with a Roche Diagnostics reagent It has isoenzimes too, but we don't study them. Clinical Pathology - H.Pulido Valente S.LLobet Portugal To remenber... Timor LoroSae Can't wait %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%