Photo: Photo Credit: Content Providers(s): CDC/ Dr. Edwin P. Ewing, Jr. · Commons · Public domain · Cropped & Resized
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The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library.
Image: Photo Credit: Content Providers(s): CDC/ Dr. Edwin P. Ewing, Jr., Public domain · Text from Wikipedia, CC BY-SA 4.0