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Familial hypobetalipoproteinemia 2
- ... altered copy of the gene. The presence of two PCSK9 gene mutations results in a more severe ... More About This Health Condition Other mutations in ...
- ... altered copy of the gene. The presence of two APOB gene mutations results in a more ... cause familial hypobetalipoproteinemia (FHBL), a disorder that impairs the body's ...