Multicentre evaluation of the Bayer DAX system.

The analytical performance of the DAX, a high-throughput random access analyser, was studied according to ECCLS guidelines (ECCLS Document Vol. 3, No. 2, Beuth Verlag, Berlin, 1986) in a multicentre evaluation involving four laboratories.

[Diagnostic problems in spontaneous bacterial peritonitis].

In spontaneous bacterial peritonitis (SBP) the ascitic fluid culture (certain criterion of diagnosis) may be negative despite an evident clinical and biochemical picture. Therefore the diagnosis may be sometimes more "probable" than "certain". The authors performed a comparative analytical study--from a clinical, biochemical and prognostic point of view--between a group of 10 "probable" SBP (10 cirrhotic pts.