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50.6 MB (5.4 MB compressed)
4215 x 4199 pixels
35.8 x 35.6 cm ⏐ 14.1 x 14.0 in (300dpi)
CRISTINA PEDRAZZINI / SCIENCE PHOTO LIBRARY CRISTINA PEDRAZZINI / SCIENCE PHOTO LIBRARY
Antibiotic pills. Antibiotics are used to treat bacterial infections or to protect people from weakened immune systems. Some antibiotics only kill certain types of bacteria, while others, known as broad-spectrum antibiotics are used in dealing with a wide range of bacteria.
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