Three New Variants Of The Alpha 1-Globin Gene Without Clinical Or Hematologic Effects: Hb Hagerstown [Alpha 44(Ce2)Pro -> Ala (Alpha 1)]; Hb Buffalo [Alpha 89(Fg1)His -> Gln (Alpha 1)], A Hemoglobin Variant From Somalia And Yemen; Hb Wichita [Alpha 95(G2)Pro -> Gln (Alpha 1)]; And A Second, Unrelated, Case Of Hb Roubaix [Alpha 55(E4)Val -> Leu (Alpha 1)]