(Q37404259)
Statements
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Absence of antibodies to the human immunodeficiency virus in sera from Africa prior to 1975. (English)
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Levy JA
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Pan LZ
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Beth-Giraldo E
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Kaminsky LS
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Henle G
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Henle W
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Giraldo G
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1 October 1986
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7935-7937
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Identifiers
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