MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY
Urine samples. Samples of urine in vacutainers being analysed in a hospital laboratory. Typical analyses of urine include tests for urinary tract infections, glucose levels in cases of diabetes, protein in the urine in cases of kidney damage or disease, and the presence of blood in the urine. Photographed at St Mary's Hospital, Lacor, Gulu, Uganda.
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