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5 How to reach the central nervous system: blood-brain barrier and blood-cerebrospinal fluid barrier traverse The brain is normally protected from exogenous insults, such as pathogenic bacteria and toxic substances, through the meninges, the blood-brain barrier (BBB), and the blood-cerebrospinal fluid barrier (BCSFB)
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273 , R1891R1899 (1997)
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Do not use D50.9 if no other code is applicable : D50.9 is the unspecified code for iron deficiency anemia
The better choice depends on your specific health needs and goals since these medications work differently
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