Vegetables like carrots and sweet potatoes are rich sources of vitamin A. Eggs, organ meats, and fortified foods offer vitamin A and other nutrients. There are two forms of vitamin A in the diet: ...
When bacteria in the mouth break down sugars from food, they release acids that gradually erode tooth enamel and cause ...
BACKGROUND: The entrance of naive T cells into lymph nodes (LNs) is a crucial step for induction of heart transplant acceptance under costimulatory blockade. Specialized blood vessels within the LN ...
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