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2006: Merck makes a safe rotavirus vaccine
Rheumatoid arthritis is an autoimmune disease in which the body attacks itself
Pox (Syphilis)
holds that the first eukaryotes engulfed smaller
malaria has been all but eradicated from the developed world
Gallstone Cells and Body 2006: Merck makes a safeGallstones are hardened clumps of bile. Gallstones vary in size from a grain of sand to as large as a golf ball. Some people develop just one gallstone, while others develop many at the same time. They may cause no signs or symptoms, and require no treatment. All About Gallstone FACTS: Gallstones are hardened clumps of bile. Bile is a dark green to yellowish brown fluid produced by the liver, stored in the gallbladder, and then deposited into the
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