Urinalysis Test Strips: how they work, which to buy -
2018-12-10 · Understanding of the composition of urine helps us to gain inside into the health of the body. A urinalysis strip is a piece of plastic or paper which a number of chemical reagent pads on it The properties of a urine sample is found by comparing the colour of a reacted urinalysis test strip with a coloured grid on the strip's packaging
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