In Paraguay, a high Toxoplasmosis seroprevalence rate (77 percent) has been estimated in adults. Our preliminary studies in 346 pregnant women from the department of San Pedro, showed a Toxoplasma gondii sero prevalence of 89 percent. This descriptive and cross-sectional study was developed in order to a...

A quality conrol assesssment laboratories of clinical analysis was performed in March 1989. Glucose, urea, bilirubin, and GOT were determined in a sample of the same control serum. Statistical evaluation of the results showed that the coefficient of variation (CV) of each parameter was much higher than t...