The variable expression of sickle cell disease is genetically determined.
Powars
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Department of Pediatrics, University of Southern California School of Medicine, Los Angeles.
Chan
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Schroeder
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WA
D000755:Anemia, Sickle Cell / Q000150:complications / Q000235:genetics* / Q000401:mortality; D002872:Chromosome Deletion; D006801:Humans; D005810:Multigene Family; D012720:Severity of Illness Index