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Description
The BBB primarily prevents certain macromolecules and toxic substances from entering the brain by altering the permeability of cerebral capillaries

doi: 10.1002/jcp.v234.9 97 FujisakaSAvila-PachecoJSotoMKosticADreyfussJMPanHet al

Boyer J and Liu RH

Campos AC, Fogaa MV, Sonego AB, et al

If you experience shoulder pain after a vaccination, you might have a Shoulder Injury Related to Vaccine Administration (SIRVA)
