50.3 MB (50.0 MB compressed)
3915 x 4488 pixels
33.3 x 38.1 cm ⏐ 13.1 x 15.0 in (300dpi)
ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
X-ray of the chest of a patient, showing enlarged lymph nodes (at centre) and small tubercles in the lungs due to primary tuberculosis (TB). Tuberculosis is caused by the bacterium Mycobacterium tuberculosis.
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