BELMONTE / BSIP / SCIENCE PHOTO LIBRARY BELMONTE / BSIP / SCIENCE PHOTO LIBRARY
Urinalysis machine. This urine strip (lower centre) checks for multiple conditions simultaneously. Each pad changes colour to indicate the concentrations of substances present in the urine. The stick is then fed into an urinalysis machine, which reads off the colours and records the results. Photographed at Saint-Louis hospital, Paris, France.
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