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Medical size: 7.4 Mpixels (21.1 MB uncompressed) - 1915x3854 pixels (6.4x12.8 in / 16.2x32.6 cm at 300 ppi)
Medical keywords: 1700's, 1800's, 1898, 18th century, 19th Century, air, alveoli, antique, breath, breathing, bronchi, bronchioles, epiglotis, illustration, lung, Lungs, medical, physiology, pulmonary, respiration, respiratory, throat, trachea, vintage