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CORRESPONDENCE|
November 1, 1991
A four-base deletion 5' to the A gamma globin gene is a common polymorphism [letter]
Blood (1991) 78 (9): 2473–2474.
![First page of A four-base deletion 5' to the A gamma globin gene is a common polymorphism [letter]](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/78/9/10.1182_blood.v78.9.2473.2473/1/2473.pdf.gif?Expires=1747960692&Signature=gpEGFfKZArqnSUSKLLuo-J2momlHD2b57bsYCWpIx7ogBsBPZM0WmEA~e8~vaP4AX3EKY32KwQaR8uKkPhElkhzU04YQ-8dqMXg91Wxwzf3BFQojKdPbv0LCLB389vaXKVcELNy7reovkT8lADGyCNNrXyBPHjkOZjQsAiX-~3lACLr5D5hR-hq521c4BRTOWPzM7bFaI0ctE7CRfOttMEy9IWId8-p8Kk7UEpJsv1hxNQ3iVGNNIfpziVtgsfyx~pvRg~CU2LPeKmOWUkcXuIKTa9vxQ3sdvCtlouaYUmRRlkk9u~eGG2scPeA4CweMoymuLIKL-vr8gcxi9nkDPw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
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