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B vitamins are a class of water-soluble vitamins that play important roles in cell metabolism and synthesis of red blood cells.[1][2] They are a chemically diverse class of compounds.[1] Dietary supplements containing all eight are referred to as a vitamin B complex. Individual B vitamins are referred to by B-number or by chemical name, such ...
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B-Class Arab world articles (3 C, 381 P) B-Class Archaeology articles (1,003 P) B-Class women in archaeology articles (71 P) B-Class Architecture articles (2,846 P) B-Class Archives of American Art-related articles (83 P) B-Class Arctic articles (134 P) B-Class Argentine articles (1 C, 294 P)
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Sextans B (also known as UGC 5373 and DDO 70) is an irregular galaxy that may be part of the Local Group, or lie just beyond it. Sextans B is 4.44 million light-years away from Earth and thus is one of the most distant members of the Local Group, if it is indeed a member.
Hepatitis B is an infectious disease caused by the Hepatitis B virus (HBV) that affects the liver;[1][6] it is a type of viral hepatitis.[7] It can cause both acute and chronic infection.[1] Many people have no symptoms during an initial infection. For others, symptoms may appear 30 to 180 days after becoming infected and can include a rapid ...
Gmail is the email service provided by Google. As of 2019,[update] it had 1.5 billion active users worldwide, making it the largest email service in the world.[1] It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application. Google also supports the use of third-party ...
