EMB agar is also used to differentiate the organisms in the colon-typhoid-dysentery group: Escherichia coli colonies grow with a metallic sheen with a dark center, Aerobacter aerogenes colonies have a brown center and non-lactose-fermenting, gram-negative bacteria appear pink.
Uniformity of Dosage Units
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Uniformity of Dosage Units is a specialised analytical laboratory service that assesses whether individual dosage units contain sufficiently consis...



































