A urease test is positive when a urea medium turns bright pink (fuchsia) and negative when it stays yellowish. The colour change comes from ammonia released by urea hydrolysis, which makes the medium ...
A cross-sectional study of 40 children with portal hypertension found a modest correlation between serum ammonia and H.
A potentially deadly disease caused by a soil-dwelling bacterium long found in tropical regions may be slowly gaining a ...
Shiga ToxinStool ResultsLab Interpretation A positive stool result usually indicates Shiga toxin-producing E. coli, but it ...
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